US Bridges

CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S

Fair

Utah County, Utah · 2.6 Mi.No.Of Santaquin · Structure no. 0C 540

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
191 ft
2 main spans
Daily traffic
5,000
2012 count
Owner
State
State Highway Agency

About this bridge

CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S is a steel continuous stringer/multi-beam or girder carrying CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S in Utah County, Utah. It was built in 1967, so it is 58 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 5,000 vehicles a day, projected to reach 7,000 by 2034. The structure is 191 ft (58.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCO.RD.12000 So.St.
CrossesI-15 (SR-15) Nbl & S
Location2.6 Mi.No.Of Santaquin
RouteCounty Highway 0
CountyUtah County
StateUtah
Coordinates40.01194, -111.7625
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length191 ft (58.2 m)
Longest span94 ft (28.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2012)
Projected traffic7,000 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S built?

It was built in 1967, making it 58 years old in 2025.

What condition is CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S 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 CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S carry?

About 5,000 vehicles per day (2012 count).

How long is CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S?

The structure is 191 ft (58.2 m) long with a longest span of 94 ft (28.6 m) and a deck 33 ft wide.

Who owns CO.RD.12000 So.St. over I-15 (SR-15) Nbl & S?

It is owned by the State Highway Agency.