US Bridges

Ridge Road -Co.Rd. over Union Pacific Railroad

Fair

Carbon County, Utah · Southeast of Wellington · Structure no. 007035F

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
3 main spans
Daily traffic
1,008
2010 count
Owner
County
County Highway Agency

About this bridge

Ridge Road -Co.Rd. over Union Pacific Railroad is a prestressed concrete stringer/multi-beam or girder carrying Ridge Road -Co.Rd. over Union Pacific Railroad 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 5 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 1,008 vehicles a day, roughly 40% of them trucks, projected to reach 1,225 by 2030. The structure is 224 ft (68.2 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRidge Road -Co.Rd.
CrossesUnion Pacific Railroad
LocationSoutheast of Wellington
RouteCounty Highway 1306
CountyCarbon County
StateUtah
Coordinates39.53292, -110.70781
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length224 ft (68.2 m)
Longest span89 ft (27.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,008 (2010)
Projected traffic1,225 by 2030
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 Union Pacific Railroad built?

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

What condition is Ridge Road -Co.Rd. over Union Pacific Railroad 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 Union Pacific Railroad carry?

About 1,008 vehicles per day (2010 count), of which roughly 40% are trucks.

How long is Ridge Road -Co.Rd. over Union Pacific Railroad?

The structure is 224 ft (68.2 m) long with a longest span of 89 ft (27.1 m) and a deck 35 ft wide.

Who owns Ridge Road -Co.Rd. over Union Pacific Railroad?

It is owned by the County Highway Agency.