US Bridges

County Road over Unnamed Wash

Fair

Box Elder County, Utah · 4 Miles Sw. of Lampo Jct. · Structure no. 003059E

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
309
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Unnamed Wash is a concrete continuous culvert carrying County Road over Unnamed Wash in Box Elder County, Utah. It was built in 1957, so it is 68 years old, older 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 309 vehicles a day, projected to reach 375 by 2030. The structure is 24 ft (7.3 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesUnnamed Wash
Location4 Miles Sw. of Lampo Jct.
RouteCounty Highway 1052
CountyBox Elder County
StateUtah
Coordinates41.61397, -112.48173
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating7.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span12 ft (3.6 m)
Deck width48 ft (14.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2010)
Projected traffic375 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 Unnamed Wash built?

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

What condition is County Road over Unnamed 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 November 2023.

How much traffic does County Road over Unnamed Wash carry?

About 309 vehicles per day (2010 count).

How long is County Road over Unnamed Wash?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.6 m) and a deck 48 ft wide.

Who owns County Road over Unnamed Wash?

It is owned by the County Highway Agency.