US Bridges

950 N over SR-177

Good

Davis County, Utah · SR-177 West Davis · Structure no. 0F 937

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
139 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

950 N over SR-177 is a concrete stringer/multi-beam or girder carrying 950 N over SR-177 in Davis County, Utah. It was built in 2023, so it is 2 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 5% of them trucks, projected to reach 4,500 by 2040. The structure is 139 ft (42.3 m) long and 67 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
Carries950 N
CrossesSR-177
LocationSR-177 West Davis
RouteCity Street 1453
CountyDavis County
StateUtah
Coordinates40.99417, -111.94139
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 18 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length139 ft (42.3 m)
Longest span135 ft (41.2 m)
Deck width67 ft (20.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic4,500 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed123.7 mi (199 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 950 N over SR-177 built?

It was built in 2023, making it 2 years old in 2025.

What condition is 950 N over SR-177 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does 950 N over SR-177 carry?

About 2,100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 950 N over SR-177?

The structure is 139 ft (42.3 m) long with a longest span of 135 ft (41.2 m) and a deck 67 ft wide.

Who owns 950 N over SR-177?

It is owned by the State Highway Agency.