US Bridges

SR-105 Parrish Ln. over UPRR and Uta Tracks

Fair

Davis County, Utah · W.Of Parrish Ln.Int.-Cnvl · Structure no. 0C 578

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
131 ft
3 main spans
Daily traffic
6,087
2021 count
Owner
State
State Highway Agency

About this bridge

SR-105 Parrish Ln. over UPRR and Uta Tracks is a steel continuous stringer/multi-beam or girder carrying SR-105 Parrish Ln. over UPRR and Uta Tracks in Davis County, Utah. It was built in 1970 and reconstructed in 2008, so it is 55 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 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 6,087 vehicles a day, roughly 12% of them trucks, projected to reach 7,304 by 2041. The structure is 131 ft (39.9 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR-105 Parrish Ln.
CrossesUPRR and Uta Tracks
LocationW.Of Parrish Ln.Int.-Cnvl
RouteState Highway 105
CountyDavis County
StateUtah
Coordinates40.92165, -111.89235
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span53 ft (16.2 m)
Deck width80 ft (24.4 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,087 (2021)
Projected traffic7,304 by 2041
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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-105 Parrish Ln. over UPRR and Uta Tracks built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.

What condition is SR-105 Parrish Ln. over UPRR and Uta Tracks 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-105 Parrish Ln. over UPRR and Uta Tracks carry?

About 6,087 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR-105 Parrish Ln. over UPRR and Uta Tracks?

The structure is 131 ft (39.9 m) long with a longest span of 53 ft (16.2 m) and a deck 80 ft wide.

Who owns SR-105 Parrish Ln. over UPRR and Uta Tracks?

It is owned by the State Highway Agency.