US Bridges

Wyo 135 over Little Wind River

Fair

Fremont County, Wyoming · 2 MI SE of Riverton · Structure no. LBV

Built
2002
23 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
3 main spans
Daily traffic
1,006
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 135 over Little Wind River is a steel continuous stringer/multi-beam or girder carrying Wyo 135 over Little Wind River in Fremont County, Wyoming. It was built in 2002, so it is 23 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 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 1,006 vehicles a day, roughly 14% of them trucks, projected to reach 1,408 by 2043. The structure is 180 ft (55 m) long and 46 ft wide. If it were closed, the detour would be 95.1 mi (153 km).

CarriesWyo 135
CrossesLittle Wind River
Location2 MI SE of Riverton
RouteState Highway 136
StateWyoming
Coordinates42.99793, -108.37556
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating93 US tons
Inventory rating56 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length180 ft (55 m)
Longest span71 ft (21.6 m)
Deck width46 ft (14 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,006 (2024)
Projected traffic1,408 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed95.1 mi (153 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 Wyo 135 over Little Wind River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Wyo 135 over Little 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 August 2023.

How much traffic does Wyo 135 over Little Wind River carry?

About 1,006 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Wyo 135 over Little Wind River?

The structure is 180 ft (55 m) long with a longest span of 71 ft (21.6 m) and a deck 46 ft wide.

Who owns Wyo 135 over Little Wind River?

It is owned by the State Highway Agency.