US Bridges

US 89 over Dry Creek

Fair

Lincoln County, Wyoming · Idaho Line - Afton · Structure no. DBM

Built
1975
50 years old, rebuilt 2001
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
2,408
2024 count
Owner
State
State Highway Agency

About this bridge

US 89 over Dry Creek is a steel stringer/multi-beam or girder carrying US 89 over Dry Creek in Lincoln County, Wyoming. It was built in 1975 and reconstructed in 2001, so it is 50 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 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 2,408 vehicles a day, roughly 10% of them trucks, projected to reach 3,371 by 2043. The structure is 53 ft (16.2 m) long and 43 ft wide. If it were closed, the detour would be 88.9 mi (143 km).

CarriesUS 89
CrossesDry Creek
LocationIdaho Line - Afton
RouteU.S. Route 89
StateWyoming
Coordinates42.68186, -110.92448
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,408 (2024)
Projected traffic3,371 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed88.9 mi (143 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 89 over Dry Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2001.

What condition is US 89 over Dry 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 November 2024.

How much traffic does US 89 over Dry Creek carry?

About 2,408 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 89 over Dry Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns US 89 over Dry Creek?

It is owned by the State Highway Agency.