US Bridges

Ridge Road -Co.Rd. over Coal Creek

Fair

Carbon County, Utah · East of Wellington · Structure no. 007037V

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
504
2010 count
Owner
County
County Highway Agency

About this bridge

Ridge Road -Co.Rd. over Coal Creek is a steel culvert carrying Ridge Road -Co.Rd. over Coal Creek in Carbon County, Utah. It was built in 1990, so it is 35 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 504 vehicles a day, roughly 30% of them trucks, projected to reach 612 by 2030. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRidge Road -Co.Rd.
CrossesCoal Creek
LocationEast of Wellington
RouteCounty Highway 1306
CountyCarbon County
StateUtah
Coordinates39.54142, -110.69314
Functional classRural Major 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic504 (2010)
Projected traffic612 by 2030
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ridge Road -Co.Rd. over Coal Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ridge Road -Co.Rd. over Coal Creek 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 Ridge Road -Co.Rd. over Coal Creek carry?

About 504 vehicles per day (2010 count), of which roughly 30% are trucks.

How long is Ridge Road -Co.Rd. over Coal Creek?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Ridge Road -Co.Rd. over Coal Creek?

It is owned by the County Highway Agency.