US Bridges

SR-115 over I-15 (SR-15) & UPRR

Fair

Utah County, Utah · 2.6 Mi.Sw.Spanish Fk.Int. · Structure no. 0C 465

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
414 ft
6 main spans
Daily traffic
1,000
2014 count
Owner
State
State Highway Agency

About this bridge

SR-115 over I-15 (SR-15) & UPRR is a steel continuous stringer/multi-beam or girder carrying SR-115 over I-15 (SR-15) & UPRR in Utah County, Utah. It was built in 1968, so it is 57 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 1,000 vehicles a day, roughly 24% of them trucks, projected to reach 1,250 by 2034. The structure is 414 ft (126.2 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR-115
CrossesI-15 (SR-15) & UPRR
Location2.6 Mi.Sw.Spanish Fk.Int.
RouteState Highway 115
StateUtah
Coordinates40.0983, -111.69096
Functional classUrban Collector

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.
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length414 ft (126.2 m)
Longest span90 ft (27.4 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2014)
Projected traffic1,250 by 2034
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 SR-115 over I-15 (SR-15) & UPRR built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR-115 over I-15 (SR-15) & UPRR 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 September 2024.

How much traffic does SR-115 over I-15 (SR-15) & UPRR carry?

About 1,000 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is SR-115 over I-15 (SR-15) & UPRR?

The structure is 414 ft (126.2 m) long with a longest span of 90 ft (27.4 m) and a deck 36 ft wide.

Who owns SR-115 over I-15 (SR-15) & UPRR?

It is owned by the State Highway Agency.