US Bridges

SR-14 over Rocky Canyon Wash

Fair

Iron County, Utah · 3.5 MI East Cedar City · Structure no. 0C 276

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
2,090
2014 count
Owner
State
State Highway Agency

About this bridge

SR-14 over Rocky Canyon Wash is a steel stringer/multi-beam or girder carrying SR-14 over Rocky Canyon Wash in Iron County, Utah. It was built in 1950, so it is 75 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 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 2,090 vehicles a day, roughly 15% of them trucks, projected to reach 2,613 by 2034. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR-14
CrossesRocky Canyon Wash
Location3.5 MI East Cedar City
RouteState Highway 14
CountyIron County
StateUtah
Coordinates37.66583, -113.00611
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
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
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2014)
Projected traffic2,613 by 2034
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-14 over Rocky Canyon Wash built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR-14 over Rocky Canyon Wash 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 2023.

How much traffic does SR-14 over Rocky Canyon Wash carry?

About 2,090 vehicles per day (2014 count), of which roughly 15% are trucks.

How long is SR-14 over Rocky Canyon Wash?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 33 ft wide.

Who owns SR-14 over Rocky Canyon Wash?

It is owned by the State Highway Agency.