US Bridges

I-15 (SR-15) Sbl over Int. Rd. to Bloomington

Fair

Washington County, Utah · Bloomington Interchange · Structure no. 3F 291

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
64,119
2023 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over Int. Rd. to Bloomington is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over Int. Rd. to Bloomington in Washington County, Utah. It was built in 1972, so it is 53 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 64,119 vehicles a day, roughly 27% of them trucks, projected to reach 76,943 by 2043. The structure is 104 ft (31.8 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesI-15 (SR-15) Sbl
CrossesInt. Rd. to Bloomington
LocationBloomington Interchange
RouteInterstate 15
CountyWashington County
StateUtah
Coordinates37.05999, -113.58436
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length104 ft (31.8 m)
Longest span102 ft (31.1 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,119 (2023)
Projected traffic76,943 by 2043
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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) Sbl over Int. Rd. to Bloomington built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-15 (SR-15) Sbl over Int. Rd. to Bloomington 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) Sbl over Int. Rd. to Bloomington carry?

About 64,119 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-15 (SR-15) Sbl over Int. Rd. to Bloomington?

The structure is 104 ft (31.8 m) long with a longest span of 102 ft (31.1 m) and a deck 44 ft wide.

Who owns I-15 (SR-15) Sbl over Int. Rd. to Bloomington?

It is owned by the State Highway Agency.