US Bridges

SR-131 400 No.St. over I-15 (SR-15) Nbl & S

Fair

Davis County, Utah · 600 W.400 North-Bountiful · Structure no. 0F 856

Built
2015
10 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
2 main spans
Daily traffic
10,058
2022 count
Owner
State
State Highway Agency

About this bridge

SR-131 400 No.St. over I-15 (SR-15) Nbl & S is a prestressed concrete stringer/multi-beam or girder carrying SR-131 400 No.St. over I-15 (SR-15) Nbl & S in Davis County, Utah. It was built in 2015, so it is 10 years old, younger 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 10,058 vehicles a day, roughly 11% of them trucks, projected to reach 12,070 by 2042. The structure is 227 ft (69.2 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR-131 400 No.St.
CrossesI-15 (SR-15) Nbl & S
Location600 W.400 North-Bountiful
RouteState Highway 106
CountyDavis County
StateUtah
Coordinates40.89389, -111.89583
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating56.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length227 ft (69.2 m)
Longest span114 ft (34.8 m)
Deck width66 ft (20 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,058 (2022)
Projected traffic12,070 by 2042
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 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-131 400 No.St. over I-15 (SR-15) Nbl & S built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR-131 400 No.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 June 2023.

How much traffic does SR-131 400 No.St. over I-15 (SR-15) Nbl & S carry?

About 10,058 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR-131 400 No.St. over I-15 (SR-15) Nbl & S?

The structure is 227 ft (69.2 m) long with a longest span of 114 ft (34.8 m) and a deck 66 ft wide.

Who owns SR-131 400 No.St. over I-15 (SR-15) Nbl & S?

It is owned by the State Highway Agency.