US Bridges

SR-106 400 No.St. over UPRR & W.Bntful City

Fair

Davis County, Utah · 600 W.400 N.-W.Bountiful · Structure no. 0D 631B

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
206 ft
4 main spans
Daily traffic
10,058
2022 count
Owner
State
State Highway Agency

About this bridge

SR-106 400 No.St. over UPRR & W.Bntful City is a concrete continuous tee beam carrying SR-106 400 No.St. over UPRR & W.Bntful City in Davis County, Utah. It was built in 1959, so it is 66 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 10,058 vehicles a day, roughly 11% of them trucks, projected to reach 12,070 by 2042. The structure is 206 ft (62.7 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR-106 400 No.St.
CrossesUPRR & W.Bntful City
Location600 W.400 N.-W.Bountiful
RouteState Highway 106
StateUtah
Coordinates40.89371, -111.89757
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.5 US tons
Inventory rating47.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length206 ft (62.7 m)
Longest span56 ft (17.1 m)
Deck width50 ft (15.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,058 (2022)
Projected traffic12,070 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 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-106 400 No.St. over UPRR & W.Bntful City built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR-106 400 No.St. over UPRR & W.Bntful City 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-106 400 No.St. over UPRR & W.Bntful City carry?

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

How long is SR-106 400 No.St. over UPRR & W.Bntful City?

The structure is 206 ft (62.7 m) long with a longest span of 56 ft (17.1 m) and a deck 50 ft wide.

Who owns SR-106 400 No.St. over UPRR & W.Bntful City?

It is owned by the State Highway Agency.