Roads & Bridges

Roads

Bridges

The Park is home to approximately 70 bridges, some of which are quite famous (i.e, Fishing Bridge).  Below is a list of the more prominent bridges throughout the park.  Details for each include its construction date, length, construction type, it’s location (including a link to a Google map), and photos.  The numbers in parentheses are the FHWA bridge designator.

Bridge Name:  Golden Gate Viaduct (1570-001)
Constr:1977Type:Prestressed concrete, multibeam
Length:327 ftLoc:4.5 miles south of Mammoth on Grand Loop
Photos:Surface Lateral Underside
Notes:
Bridge Name:  Seven Mile Bridge (North) (1570-002)
Constr:1936Type:Concrete, tee-beam
Length:76 ftLoc:8 miles S of Mammoth over the Gardner River
Photos:Lateral
Notes:
Bridge Name:  Gibbon River Bridge # 1 (1570-003)
Constr:1960Type:Steel, multi-beam
Length:52 ftLoc:.8 miles north of Norris over Gibbon River
Photos:Lateral 1 Lateral 2
Notes:
Bridge Name:  Indian Creek Campgrd Bridge over Obsidian Crk(1570-004)
Constr:1911Type:Steel girder and floorbeam
Length:36 ftLoc:8.4 miles S of Mammoth Jct, w on Indian Creek
Photos:Surface Lateral
Notes:Has a 6-ton weight limit
Bridge Name:  Gibbon River Bridge # 2 (1570-005)
Constr:1936Type:Continuous steel, multibeam
Length:110 ftLoc:4.9 miles south of Norris Jct on Grand Loop Rd
Photos:Surface Lateral
Notes:Reconstructed in 2002
Bridge Name:  Beryl Spring Overflow (1570-006)
Constr:1962Type:Wood, multibeam
Length:230 ftLoc:5.3 miles south of Norris Jct on Grand Loop Rd
Photos:Surface Lateral
Notes:Rehabilitated in 2002, but remains in poor condition
Bridge Name:  Gibbon River Bridge # 3 (1570-007)
Constr:2002Type:Pre-stressed concrete, multibeam
Length:108 ftLoc:6.1 miles south of Norris Jct on Grand Loop Rd
Photos:Surface Lateral
Notes:
Bridge Name:  Gibbon River Bridge # 4 (1570-008)
Constr:1960Type:Steel multibeam
Length:90 ftLoc:7.1 miles south of Norris Jct on Grand Loop Rd
Photos:Surface Lateral
Notes:
Bridge Name:  Gibbon River Bridge # 5 (1570-009)
Constr:1960Type:Concrete continuous, box-girder
Length:110 ftLoc:0.5 miles south of Madison Jct on Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Nez Perce Creek Bridge # 1 (1570-010)
Constr:1935Type:Concrete slab
Length:78.5 ftLoc:6.5 miles south of Madison Jct on Grand Loop
Photos:Surface Lateral
Notes:Reconstructed in 1997 (superstructure & abutment)
Bridge Name:  Firehole River Bridge # 1 (1570-011)
Constr:1967Type:Concrete continuous, tee-beam
Length:102 ftLoc:14.6 mi south of Madison Jct on Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Old Faithful Interchange Bridge (1570-012)
Constr:1969Type:Concrete continuous, tee-beam
Length:149.5 ftLoc:Old Faithful intersection
Photos:Surface Lateral
Notes:
Bridge Name:  Nez Perce Creek Bridge # 2 (1570-013)
Constr:1997Type:Pre-stressed concrete, multibeam
Length:97 ftLoc:Fountain Flat Dr w/ of Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Firehole River Bridge # 2 (1570-014)
Constr:1984Type:Pre-stressed concrete, multibea,
Length:75 ftLoc:5 min hike out from end of Fountain Flat Dr.
Photos:Surface Lateral
Notes:Bike, foot, and admin veh traffic only. Closed to public vehicles.
Bridge Name:  Firehole River Bridge # 3 (1570-015)
Constr:1970Type:Concrete continuous, tee-beam
Length:166.5 ftLoc:1.6 mi south of Old Faithful Int on Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Isa Lake Bridge (1570-016)
Constr:1936Type:Wood, slab
Length:159.2 ftLoc:8 miles south of Old Faithful Int on Grand Loop
Photos:Surface Lateral
Notes:Bridge is in poor condition
Bridge Name:  Bridge Bay Bridge (1570-017)
Constr:1961Type:Steel continuous, multibeam
Length:236 ftLoc:Over the inlet @ Bridge Bay S of Lake Jct on GLR
Photos:Surface Lateral
Notes:
Bridge Name:  Otter Creek Bridge (1570-019)
Constr:1934Type:Concrete frame
Length:23 ftLoc:2.5 miles south of Canyon Jct on Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Chittenden Memorial Bridge (1570-020)
Constr:1962Type:Concrete-arch deck
Length:148 ftLoc:Artist Point Rd south of Canyon Jct
Photos:Surface Lateral
Notes:
Bridge Name:  Tower Creek Bridge (1570-021)
Constr:1935Type:Concrete-arch deck
Length:40 ftLoc:2.3 miles southeast of Tower Jct on Grand Loop
Photos:Surface Lateral
Notes:
Bridge Name:  Lava Creek Bridge (1570-022)
Constr:1932Type:Steel, multi-beam
Length:32 ftLoc:4.6 miles east of MHS on Grand Loop Rd
Photos:Surface Lateral
Notes:
Bridge Name:  Gardner River Bridge (1570-023)
Constr:1939Type:Steel Truss-Deck
Length:805 ftLoc:1.4 miles east of MHS on Grand Loop Rd
Photos:Surface Lateral
Notes:Reconstructed in 1979, Has a catwalk under it for inspections
Bridge Name:  North Entrance Gardner River Bridge # 1 (1570-024)
Constr:1957Type:Steel, multi-beam
Length:104 ftLoc:1.5 miles south of North Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  North Entrance Gardner River Bridge # 2 (1570-025)
Constr:1958Type:Steel, multi-beam
Length:63.7 ftLoc:3.0 miles south of the North Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Madison River Bridge (1570-026)
Constr:1958Type:Steel continuous, multi-beam
Length:201 ftLoc:7.4 miles east of West Entrance
Photos:Surface Lateral
Notes:Known as “Seven Mile Bridge” to most people
Bridge Name:  Crawfish Creek Bridge (1570-027)
Constr:1934Type:Concrete arch-deck
Length:140 ftLoc:1.2 miles north of South Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Lewis River Bridge (1570-028)
Constr:1960Type:Steel continuous, multi-beam
Length:272.7 ftLoc:9.9 miles north of South Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Thumb Creek Bridge (1570-029)
Constr:1972Type:Concrete continuous, tee-beam
Length:209 ftLoc:0.7 miles south of West Thumb Jct
Photos:Surface Lateral
Notes:
Bridge Name:  Unnamed Creek Bridge, South Entrance Road (1570-030)
Constr:1972Type:Concrete continuous, tee-beam
Length:145 ftLoc:0.5 miles south of West Thumb Jct
Photos:Surface Lateral
Notes:
Bridge Name:  Grant Village Bridge “A” (1570-031)
Constr:1960Type:Wood, multi-beam
Length:209.5 ftLoc:0.4 miles NW on Campground Rd in Grant V.
Photos:Surface Lateral
Notes:
Bridge Name:  Grant Village Bridge “B” (1570-032)
Constr:1960Type:Wood, multi-beam
Length:94 ftLoc:0.45 miles NW on Campground Rd in Grant V.
Photos:Surface Lateral
Notes:
Bridge Name:  Grant Village Bridge “C” (1570-033)
Constr:1960Type:Wood, multi-beam
Length:209.3 ftLoc:0.9 miles NW on Campground Rd in Grant V.
Photos:Surface Lateral
Notes:
Bridge Name:  Cub Creek Bridge (1570-034)
Constr:1922Type:Concrete, arch-deck
Length:20 ft.Loc:12.5 miles west of East Entrance
Photos:Surface Lateral
Notes:Reconstructed in 1955
Bridge Name:  Sedge Creek Bridge (1570-035)
Constr:1997Type:Pre-stressed concrete slab
Length:70 ftLoc:18.4 miles west of East Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Pelican Creek Bridge (1570-036)
Constr:1934Type:Concrete continuous slab
Length:144.5 ftLoc:1.6 miles east of Fishing Bridge Junction
Photos:Surface Lateral
Notes:
Bridge Name:  Fishing Bridge (1570-037)
Constr:1936Type:Wood, multi-beam
Length:532 ftLoc:0.3 miles east of Fishing Bridge Junction
Photos:Surface Lateral
Notes:
Bridge Name:  Soda Butte Creek Bridge # 1 (1570-041)
Constr:1934Type:Concrete continuous slab
Length:105.5 ftLoc:3 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Dry Creek Bridge # 1 (1570-042)
Constr:1936Type:Concrete slab
Length:23 ftLoc:3.4 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Dry Creek Bridge # 2 (1570-043)
Constr:1936Type:Concrete slab
Length:27 ftLoc:3.8 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Dry Creek Bridge # 3 (1570-044)
Constr:1936Type:Concrete slab
Length:27 ftLoc:4.8 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Soda Butte Creek Bridge # 2 (1570-045)
Constr:1934Type:Steel, multi-beam
Length:38.8Loc:6.4 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Pebble Creek Bridge (1570-046)
Constr:1934Type:Concrete continuous slab
Length:76.8 ftLoc:9.4 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Lamar River Bridge (1570-047)
Constr:1939Type:Steel continuous girder and floorbeam
Length:392 ftLoc:24.3 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:Reconstructed in 1988
Bridge Name:  Yellowstone River Bridge (1570-048)
Constr:1961Type:Steel continuous girder and floorbeam
Length:604 ftLoc:27.6 miles west of the Northeast Entrance
Photos:Surface Lateral
Notes:
Bridge Name:  Firehole River Bridge @ Midway Geyser Basin (1570-060)
Constr:1925Type:Steel truss-thru
Length:66.8 ftLoc:12 mi S of Madison Jct, Fairy Falls Trailhead
Photos:Surface Lateral
Notes:Bridge closed to public vehicles.  Used for admin, foot, snowmobiles
Bridge Name:  Firehole Bridge Lone Star Geyser (1570-066)
Constr:1915Type:Pre-stressed concrete tee-beam
Length:52.8 ftLoc:0.5 miles S of Lone Star Trailhead
Photos:Surface Lateral
Notes:Reconstructed in 1982. Foot/Bicycle traffic only
Bridge Name:  Firehole River Bridge Morning Glory (1570-068)
Constr:1934Type:Steel multi-beam
Length:1934Loc:1.5 miles NW of OFI at Morning Glory Pool
Photos:Surface Lateral
Notes:This was part of the old Grand Loop Rd. Foot/Bike/Admin use only
Bridge Name:  Blacktail Suspension Bridge (1570-069)
Constr:1935Type:Steel suspension
Length:300.8 ftLoc:4 miles North of Blacktail Trailhead off GLR
Photos:Surface Lateral
Notes:Foot traffic only
Bridge Name:  Hellroaring Suspension Bridge (1570-070)
Constr:1936Type:Steel suspension
Length:348.3 ftLoc:1 mile north of Hellroaring Trailhead off GLR
Photos:Surface Lateral
Notes:Foot traffic only

Photos courtesy Federal Highway Administration unless otherwise noted.

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