US Bridges

County Road over Miller Creek

Fair

Carbon County, Utah · 3.5 Miles Sw. Wellington · Structure no. 007001F

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
126
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Miller Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road over Miller Creek in Carbon County, Utah. It was built in 1981, so it is 44 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 126 vehicles a day, roughly 1% of them trucks, projected to reach 153 by 2030. The structure is 73 ft (22.1 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road
CrossesMiller Creek
Location3.5 Miles Sw. Wellington
RouteCounty Highway 1316
CountyCarbon County
StateUtah
Coordinates39.51617, -110.78714
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.1 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2010)
Projected traffic153 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Miller Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is County Road over Miller 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 County Road over Miller Creek carry?

About 126 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Miller Creek?

The structure is 73 ft (22.1 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns County Road over Miller Creek?

It is owned by the County Highway Agency.