US Bridges

US 20/26/87 over Claude Creek

Fair

Natrona County, Wyoming · East Yellowstone - Casper · Structure no. BLV

Built
1957
68 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
3 main spans
Daily traffic
2,851
2024 count
Owner
State
State Highway Agency

About this bridge

US 20/26/87 over Claude Creek is a concrete continuous culvert carrying US 20/26/87 over Claude Creek in Natrona County, Wyoming. It was built in 1957, so it is 68 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 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 2,851 vehicles a day, roughly 20% of them trucks, projected to reach 3,991 by 2043. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 20/26/87
CrossesClaude Creek
LocationEast Yellowstone - Casper
RouteU.S. Route 20
CountyNatrona County
StateWyoming
Coordinates42.85209, -106.21823
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,851 (2024)
Projected traffic3,991 by 2043
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 20/26/87 over Claude Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is US 20/26/87 over Claude 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 June 2024.

How much traffic does US 20/26/87 over Claude Creek carry?

About 2,851 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US 20/26/87 over Claude Creek?

The structure is 22 ft (6.8 m) long with a longest span of 7 ft (2.1 m).

Who owns US 20/26/87 over Claude Creek?

It is owned by the State Highway Agency.