US Bridges

Airport RD over Coal Creek

Fair

Iron County, Utah · N. Airport Rd. · Structure no. 021021E

Built
2007
18 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
7,700
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport RD over Coal Creek is a concrete culvert carrying Airport RD over Coal Creek in Iron County, Utah. It was built in 2007, so it is 18 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 7,700 vehicles a day, projected to reach 9,625 by 2037. The structure is 33 ft (10.1 m) long.

Location

Open in Google Maps
CarriesAirport RD
CrossesCoal Creek
LocationN. Airport Rd.
RouteCounty Highway 1770
CountyIron County
StateUtah
Coordinates37.69323, -113.0871
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2017)
Projected traffic9,625 by 2037
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Airport RD over Coal Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Airport 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 March 2024.

How much traffic does Airport RD over Coal Creek carry?

About 7,700 vehicles per day (2017 count).

How long is Airport RD over Coal Creek?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).

Who owns Airport RD over Coal Creek?

It is owned by the City or Municipal Highway Agency.