US Bridges

Indian Creek Campg over Obsidian Creek

Fair

Teton County, Wyoming · 8.4 Mi. South of Mammoth · Structure no. 1570004P0000000

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
75
2019 count
Owner
Federal
National Park Service

About this bridge

Indian Creek Campg over Obsidian Creek is a steel stringer/multi-beam or girder carrying Indian Creek Campg over Obsidian Creek in Teton County, Wyoming. It was built in 2012, so it is 13 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2039. The structure is 45 ft (13.7 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIndian Creek Campg
CrossesObsidian Creek
Location8.4 Mi. South of Mammoth
RouteFederal Lands Road 211
StateWyoming
Coordinates44.88203, -110.73508
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span40 ft (12.1 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic150 by 2039
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$250,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian Creek Campg over Obsidian Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Indian Creek Campg over Obsidian Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Indian Creek Campg over Obsidian Creek carry?

About 75 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Indian Creek Campg over Obsidian Creek?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.1 m) and a deck 17 ft wide.

Who owns Indian Creek Campg over Obsidian Creek?

It is owned by the National Park Service.