US Bridges

US 30 over First Sand Creek

Fair

Carbon County, Wyoming · Walcott Jt - Medicine Bow · Structure no. BKQ

Built
1942
83 years old, rebuilt 2016
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
458
2024 count
Owner
State
State Highway Agency

About this bridge

US 30 over First Sand Creek is a concrete continuous culvert carrying US 30 over First Sand Creek in Carbon County, Wyoming. It was built in 1942 and reconstructed in 2016, so it is 83 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 458 vehicles a day, roughly 23% of them trucks, projected to reach 641 by 2043. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 44.1 mi (71 km).

CarriesUS 30
CrossesFirst Sand Creek
LocationWalcott Jt - Medicine Bow
RouteU.S. Route 30
StateWyoming
Coordinates41.89885, -106.26085
Functional classRural Minor 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic458 (2024)
Projected traffic641 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over First Sand Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 2016.

What condition is US 30 over First Sand 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 30 over First Sand Creek carry?

About 458 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is US 30 over First Sand Creek?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).

Who owns US 30 over First Sand Creek?

It is owned by the State Highway Agency.