US Bridges

County Road over New Castle Creek

Fair

Iron County, Utah · 300 E. 100 N. New Castle · Structure no. 021006D

Built
2002
23 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
378
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over New Castle Creek is a concrete frame carrying County Road over New Castle Creek in Iron County, Utah. It was built in 2002, so it is 23 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 378 vehicles a day, roughly 10% of them trucks, projected to reach 460 by 2030. The structure is 26 ft (7.8 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesNew Castle Creek
Location300 E. 100 N. New Castle
RouteCounty Highway 0
CountyIron County
StateUtah
Coordinates37.66961, -113.54006
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2010)
Projected traffic460 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over New Castle Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road over New Castle 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 New Castle Creek carry?

About 378 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is County Road over New Castle Creek?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns County Road over New Castle Creek?

It is owned by the County Highway Agency.