US Bridges

SR-56 over Pinto Wash

Fair

Iron County, Utah · 0.6 Mi.East of Newcastle · Structure no. 0D 528

Built
1949
76 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete
Length
39 ft
1 main span
Daily traffic
2,170
2022 count
Owner
State
State Highway Agency

About this bridge

SR-56 over Pinto Wash is a concrete frame carrying SR-56 over Pinto Wash in Iron County, Utah. It was built in 1949, so it is 76 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 2,170 vehicles a day, roughly 51% of them trucks, projected to reach 2,604 by 2042. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-56
CrossesPinto Wash
Location0.6 Mi.East of Newcastle
RouteState Highway 56
CountyIron County
StateUtah
Coordinates37.67306, -113.54056
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating22.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic2,170 (2022)
Projected traffic2,604 by 2042
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-56 over Pinto Wash built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR-56 over Pinto 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-56 over Pinto Wash carry?

About 2,170 vehicles per day (2022 count), of which roughly 51% are trucks.

How long is SR-56 over Pinto Wash?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns SR-56 over Pinto Wash?

It is owned by the State Highway Agency.