US Bridges

I-15 (SR-15) Nbl over Atkinsville Wash

Fair

Washington County, Utah · 3 Mi.So. Bloomington Intr · Structure no. 1D 664

Built
1962
63 years old
Condition
Fair
inspected January 2023
Type
Frame
Concrete Continuous
Length
91 ft
2 main spans
Daily traffic
30,108
2017 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over Atkinsville Wash is a concrete continuous frame carrying I-15 (SR-15) Nbl over Atkinsville Wash in Washington County, Utah. It was built in 1962, so it is 63 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 30,108 vehicles a day, roughly 25% of them trucks, projected to reach 36,130 by 2037. The structure is 91 ft (27.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-15 (SR-15) Nbl
CrossesAtkinsville Wash
Location3 Mi.So. Bloomington Intr
RouteInterstate 15
CountyWashington County
StateUtah
Coordinates37.02159, -113.60886
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating55 US tons
Inventory rating35.4 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length91 ft (27.6 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic30,108 (2017)
Projected traffic36,130 by 2037
Trucks25%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-15 (SR-15) Nbl over Atkinsville Wash built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-15 (SR-15) Nbl over Atkinsville 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 January 2023.

How much traffic does I-15 (SR-15) Nbl over Atkinsville Wash carry?

About 30,108 vehicles per day (2017 count), of which roughly 25% are trucks.

How long is I-15 (SR-15) Nbl over Atkinsville Wash?

The structure is 91 ft (27.6 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns I-15 (SR-15) Nbl over Atkinsville Wash?

It is owned by the State Highway Agency.