US Bridges

County Road over Kenilworth Wash

Fair

Carbon County, Utah · 1900 W.4200 N. Spr. Glen · Structure no. 007018C

Built
1999
26 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
126
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Kenilworth Wash is a steel stringer/multi-beam or girder carrying County Road over Kenilworth Wash in Carbon County, Utah. It was built in 1999, so it is 26 years old, younger than the Utah average of 40.1 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 126 vehicles a day, projected to reach 153 by 2030. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road
CrossesKenilworth Wash
Location1900 W.4200 N. Spr. Glen
RouteCounty Highway 0
StateUtah
Coordinates39.66233, -110.85172
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2010)
Projected traffic153 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Kenilworth Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road over Kenilworth Wash 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 County Road over Kenilworth Wash carry?

About 126 vehicles per day (2010 count).

How long is County Road over Kenilworth Wash?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 30 ft wide.

Who owns County Road over Kenilworth Wash?

It is owned by the County Highway Agency.