US Bridges

I-80 Service Road over Unnamed Draw

Fair

Sweetwater County, Wyoming · Rawlins West · Structure no. KMY

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
7
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Service Road over Unnamed Draw is a concrete continuous culvert carrying I-80 Service Road over Unnamed Draw in Sweetwater County, Wyoming. It was built in 1963, so it is 62 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 7 vehicles a day, projected to reach 10 by 2043. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-80 Service Road
CrossesUnnamed Draw
LocationRawlins West
StateWyoming
Coordinates41.74602, -107.61371
Functional classRural Local

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 loadHS 20
Structure length31 ft (9.6 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2024)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-80 Service Road over Unnamed Draw built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-80 Service Road over Unnamed Draw 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 I-80 Service Road over Unnamed Draw carry?

About 7 vehicles per day (2024 count).

How long is I-80 Service Road over Unnamed Draw?

The structure is 31 ft (9.6 m) long with a longest span of 11 ft (3.5 m).

Who owns I-80 Service Road over Unnamed Draw?

It is owned by the State Highway Agency.