US Bridges

East Entrance Road over Sedge Creek

Good

Teton County, Wyoming · 18.4 Mi. West of East Ent · Structure no. 1570035P0000000

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,286
2019 count
Owner
Federal
National Park Service

About this bridge

East Entrance Road over Sedge Creek is a prestressed concrete slab carrying East Entrance Road over Sedge Creek in Teton County, Wyoming. It was built in 1997, so it is 28 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,286 vehicles a day, roughly 15% of them trucks, projected to reach 1,543 by 2039. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesEast Entrance Road
CrossesSedge Creek
Location18.4 Mi. West of East Ent
RouteFederal Lands Road 13
StateWyoming
Coordinates44.52361, -110.28142
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,286 (2019)
Projected traffic1,543 by 2039
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$68,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Entrance Road over Sedge Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is East Entrance Road over Sedge Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does East Entrance Road over Sedge Creek carry?

About 1,286 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is East Entrance Road over Sedge Creek?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 36 ft wide.

Who owns East Entrance Road over Sedge Creek?

It is owned by the National Park Service.