US Bridges

US 310 over Sage Creek

FairPosted for load

Park County, Wyoming · Deaver - Mont Line · Structure no. CDE

Built
1949
76 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
63 ft
3 main spans
Daily traffic
1,632
2024 count
Owner
State
State Highway Agency

About this bridge

US 310 over Sage Creek is a concrete slab carrying US 310 over Sage Creek in Park County, Wyoming. It was built in 1949, so it is 76 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. Its operating status is: posted for load restriction.

It carries about 1,632 vehicles a day, roughly 17% of them trucks, projected to reach 2,285 by 2043. The structure is 63 ft (19.2 m) long and 34 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesUS 310
CrossesSage Creek
LocationDeaver - Mont Line
RouteU.S. Route 310
CountyPark County
StateWyoming
Coordinates45.0001, -108.62258
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.3 US tons
Inventory rating21.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,632 (2024)
Projected traffic2,285 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$36,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 310 over Sage Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 310 over Sage 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 January 2025.

How much traffic does US 310 over Sage Creek carry?

About 1,632 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is US 310 over Sage Creek?

The structure is 63 ft (19.2 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns US 310 over Sage Creek?

It is owned by the State Highway Agency.