US Bridges

US 189 over Birch Creek

Fair

Lincoln County, Wyoming · Labarge · Structure no. FFV

Built
1986
39 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
1 main span
Daily traffic
1,999
2024 count
Owner
State
State Highway Agency

About this bridge

US 189 over Birch Creek is a steel stringer/multi-beam or girder carrying US 189 over Birch Creek in Lincoln County, Wyoming. It was built in 1986, so it is 39 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 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 1,999 vehicles a day, roughly 5% of them trucks, projected to reach 2,799 by 2043. The structure is 89 ft (27.1 m) long and 69 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesUS 189
CrossesBirch Creek
LocationLabarge
RouteU.S. Route 189
StateWyoming
Coordinates42.26421, -110.19434
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span87 ft (26.5 m)
Deck width69 ft (21.1 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,999 (2024)
Projected traffic2,799 by 2043
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 189 over Birch Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 189 over Birch 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 February 2025.

How much traffic does US 189 over Birch Creek carry?

About 1,999 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 189 over Birch Creek?

The structure is 89 ft (27.1 m) long with a longest span of 87 ft (26.5 m) and a deck 69 ft wide.

Who owns US 189 over Birch Creek?

It is owned by the State Highway Agency.