US Bridges

Bird Refuge Road over Unknown Canal

Good

Box Elder County, Utah · 1.9 Mi. E. of Center Area · Structure no. 003075E

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
150
2010 count
Owner
County
County Highway Agency

About this bridge

Bird Refuge Road over Unknown Canal is a concrete culvert carrying Bird Refuge Road over Unknown Canal in Box Elder County, Utah. It was built in 2010, so it is 15 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2030. The structure is 43 ft (13 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBird Refuge Road
CrossesUnknown Canal
Location1.9 Mi. E. of Center Area
RouteCounty Highway 1082
CountyBox Elder County
StateUtah
Coordinates41.46533, -112.21695
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length43 ft (13 m)
Longest span11 ft (3.3 m)
Deck width30 ft (9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2010)
Projected traffic200 by 2030
Trucks1%
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 Bird Refuge Road over Unknown Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is Bird Refuge Road over Unknown Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Bird Refuge Road over Unknown Canal carry?

About 150 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Bird Refuge Road over Unknown Canal?

The structure is 43 ft (13 m) long with a longest span of 11 ft (3.3 m) and a deck 30 ft wide.

Who owns Bird Refuge Road over Unknown Canal?

It is owned by the County Highway Agency.