US Bridges

US 26 over Pilot Butte Res of

Good

Fremont County, Wyoming · Diversion D Jt - Riverton · Structure no. DJJ

Built
1978
47 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
1,334
2024 count
Owner
State
State Highway Agency

About this bridge

US 26 over Pilot Butte Res of is a steel continuous stringer/multi-beam or girder carrying US 26 over Pilot Butte Res of in Fremont County, Wyoming. It was built in 1978, so it is 47 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,334 vehicles a day, roughly 9% of them trucks, projected to reach 1,868 by 2043. The structure is 147 ft (44.8 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 26
CrossesPilot Butte Res of
LocationDiversion D Jt - Riverton
RouteU.S. Route 26
StateWyoming
Coordinates43.19397, -108.75807
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 rating56 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span56 ft (17.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,334 (2024)
Projected traffic1,868 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 26 over Pilot Butte Res of built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 26 over Pilot Butte Res of in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does US 26 over Pilot Butte Res of carry?

About 1,334 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 26 over Pilot Butte Res of?

The structure is 147 ft (44.8 m) long with a longest span of 56 ft (17.2 m) and a deck 43 ft wide.

Who owns US 26 over Pilot Butte Res of?

It is owned by the State Highway Agency.