US Bridges

US 26 over Dinwoody Creek

Fair

Fremont County, Wyoming · Dubois-Diversion Dam Jct. · Structure no. FLR

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
1,566
2024 count
Owner
State
State Highway Agency

About this bridge

US 26 over Dinwoody Creek is a steel continuous stringer/multi-beam or girder carrying US 26 over Dinwoody Creek in Fremont County, Wyoming. It was built in 1988, so it is 37 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 1,566 vehicles a day, roughly 7% of them trucks, projected to reach 2,192 by 2043. The structure is 154 ft (46.9 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 26
CrossesDinwoody Creek
LocationDubois-Diversion Dam Jct.
RouteU.S. Route 26
StateWyoming
Coordinates43.42041, -109.36892
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span59 ft (18 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,566 (2024)
Projected traffic2,192 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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 26 over Dinwoody Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 26 over Dinwoody 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 August 2024.

How much traffic does US 26 over Dinwoody Creek carry?

About 1,566 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 26 over Dinwoody Creek?

The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.

Who owns US 26 over Dinwoody Creek?

It is owned by the State Highway Agency.