US Bridges

3308: Cow Butte R over Canary Grove

Good

Carbon County, Wyoming · 30 MI SW of Rawlins Wy · Structure no. 0000000L2125554

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
25
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

3308: Cow Butte R over Canary Grove is a steel stringer/multi-beam or girder carrying 3308: Cow Butte R over Canary Grove in Carbon County, Wyoming. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 50 by 2042. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
Carries3308: Cow Butte R
CrossesCanary Grove
Location30 MI SW of Rawlins Wy
RouteFederal Lands Road 0
CountyCarbon County
StateWyoming
Coordinates41.39403, -107.41668
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic50 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 3308: Cow Butte R over Canary Grove built?

It was built in 2019, making it 6 years old in 2025.

What condition is 3308: Cow Butte R over Canary Grove 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 2023.

How much traffic does 3308: Cow Butte R over Canary Grove carry?

About 25 vehicles per day (2023 count).

How long is 3308: Cow Butte R over Canary Grove?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 16 ft wide.

Who owns 3308: Cow Butte R over Canary Grove?

It is owned by the Bureau of Land Management.