US Bridges

I-15 (SR-15) Nbl over Leap Creek

Fair

Washington County, Utah · 1.5 Mi.No.Pintura Intchg. · Structure no. 1D 523

Built
1949
76 years old, rebuilt 2014
Condition
Fair
inspected January 2025
Type
Mixed Types
Concrete
Length
44 ft
1 main span
Daily traffic
22,630
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over Leap Creek is a concrete mixed types carrying I-15 (SR-15) Nbl over Leap Creek in Washington County, Utah. It was built in 1949 and reconstructed in 2014, 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 22,630 vehicles a day, roughly 43% of them trucks, projected to reach 28,288 by 2034. The structure is 44 ft (13.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 (SR-15) Nbl
CrossesLeap Creek
Location1.5 Mi.No.Pintura Intchg.
RouteInterstate 15
CountyWashington County
StateUtah
Coordinates37.35796, -113.2642
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeMixed Types
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span40 ft (12.3 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,630 (2014)
Projected traffic28,288 by 2034
Trucks43%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-15 (SR-15) Nbl over Leap Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2014.

What condition is I-15 (SR-15) Nbl over Leap 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 January 2025.

How much traffic does I-15 (SR-15) Nbl over Leap Creek carry?

About 22,630 vehicles per day (2014 count), of which roughly 43% are trucks.

How long is I-15 (SR-15) Nbl over Leap Creek?

The structure is 44 ft (13.5 m) long with a longest span of 40 ft (12.3 m) and a deck 62 ft wide.

Who owns I-15 (SR-15) Nbl over Leap Creek?

It is owned by the State Highway Agency.