US Bridges

South Entrance Roa over Crawfish Creek

Fair

Teton County, Wyoming · 1.2 Miles North of South · Structure no. 1570027P0000000

Built
1934
91 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
65 ft
1 main span
Daily traffic
3,952
2022 count
Owner
Federal
National Park Service

About this bridge

South Entrance Roa over Crawfish Creek is a concrete arch - deck carrying South Entrance Roa over Crawfish Creek in Teton County, Wyoming. It was built in 1934, so it is 91 years old, older 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 5 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 3,952 vehicles a day, roughly 1% of them trucks, projected to reach 4,742 by 2042. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSouth Entrance Roa
CrossesCrawfish Creek
Location1.2 Miles North of South
RouteFederal Lands Road 14
CountyTeton County
StateWyoming
Coordinates44.15158, -110.67319
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,952 (2022)
Projected traffic4,742 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$22,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Entrance Roa over Crawfish Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is South Entrance Roa over Crawfish 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 South Entrance Roa over Crawfish Creek carry?

About 3,952 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is South Entrance Roa over Crawfish Creek?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns South Entrance Roa over Crawfish Creek?

It is owned by the National Park Service.