US Bridges

Box Car Bridge RD over Willow Creek

Good

Uintah County, Utah · 3.5 Miles Sw. of SR-88 · Structure no. 047078C

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
1,000
2013 count
Owner
County
County Highway Agency

About this bridge

Box Car Bridge RD over Willow Creek is a steel stringer/multi-beam or girder carrying Box Car Bridge RD over Willow Creek in Uintah County, Utah. It was built in 2013, so it is 12 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 1,000 vehicles a day, roughly 70% of them trucks, projected to reach 1,500 by 2032. The structure is 71 ft (21.5 m) long and 32 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesBox Car Bridge RD
CrossesWillow Creek
Location3.5 Miles Sw. of SR-88
RouteCounty Highway 0
StateUtah
Coordinates40.02722, -109.73278
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length71 ft (21.5 m)
Longest span69 ft (21 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.4 m)

Traffic and service

Average daily traffic1,000 (2013)
Projected traffic1,500 by 2032
Trucks70%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Box Car Bridge RD over Willow Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Box Car Bridge RD over Willow Creek 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 April 2024.

How much traffic does Box Car Bridge RD over Willow Creek carry?

About 1,000 vehicles per day (2013 count), of which roughly 70% are trucks.

How long is Box Car Bridge RD over Willow Creek?

The structure is 71 ft (21.5 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns Box Car Bridge RD over Willow Creek?

It is owned by the County Highway Agency.