US Bridges

County Road over Coal Creek

Fair

Iron County, Utah · Right Hand Fork Canyon · Structure no. 021014F

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
139
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Coal Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road over Coal Creek in Iron County, Utah. It was built in 1995, so it is 30 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 139 vehicles a day, projected to reach 169 by 2030. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty Road
CrossesCoal Creek
LocationRight Hand Fork Canyon
RouteCounty Highway 3202
CountyIron County
StateUtah
Coordinates37.65208, -112.98647
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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 rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2010)
Projected traffic169 by 2030
Trucks0%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Coal Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 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 March 2024.

How much traffic does County Road over Coal Creek carry?

About 139 vehicles per day (2010 count).

How long is County Road over Coal Creek?

The structure is 75 ft (22.9 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns County Road over Coal Creek?

It is owned by the County Highway Agency.