US Bridges

3rd Street over Big Wind River

FairPosted for load

Fremont County, Wyoming · Dubois · Structure no. ELO

Built
1935
90 years old
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
103 ft
1 main span
Daily traffic
274
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

3rd Street over Big Wind River is a steel truss - thru carrying 3rd Street over Big Wind River in Fremont County, Wyoming. It was built in 1935, so it is 90 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 274 vehicles a day, roughly 1% of them trucks, projected to reach 384 by 2043. The structure is 103 ft (31.4 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries3rd Street
CrossesBig Wind River
LocationDubois
RouteCity Street 105-2
StateWyoming
Coordinates43.53113, -109.63438
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.2 US tons
Inventory rating16.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic274 (2024)
Projected traffic384 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$559,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd Street over Big Wind River built?

It was built in 1935, making it 90 years old in 2025.

What condition is 3rd Street over Big Wind River 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 April 2024.

How much traffic does 3rd Street over Big Wind River carry?

About 274 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 3rd Street over Big Wind River?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 21 ft wide.

Who owns 3rd Street over Big Wind River?

It is owned by the Town or Township Highway Agency.