US Bridges

Shepherd Lane over I-15 (SR-15) & UPRR

Fair

Davis County, Utah · 1.4 MI N Farmington Intch · Structure no. 0C 598

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
503 ft
4 main spans
Daily traffic
8,319
2022 count
Owner
State
State Highway Agency

About this bridge

Shepherd Lane over I-15 (SR-15) & UPRR is a steel continuous stringer/multi-beam or girder carrying Shepherd Lane over I-15 (SR-15) & UPRR in Davis County, Utah. It was built in 1979, so it is 46 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 8,319 vehicles a day, projected to reach 9,983 by 2042. The structure is 503 ft (153.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesShepherd Lane
CrossesI-15 (SR-15) & UPRR
Location1.4 MI N Farmington Intch
RouteCounty Highway 1438
CountyDavis County
StateUtah
Coordinates40.99972, -111.92444
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length503 ft (153.4 m)
Longest span135 ft (41 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,319 (2022)
Projected traffic9,983 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Shepherd Lane over I-15 (SR-15) & UPRR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Shepherd Lane over I-15 (SR-15) & UPRR 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 Shepherd Lane over I-15 (SR-15) & UPRR carry?

About 8,319 vehicles per day (2022 count).

How long is Shepherd Lane over I-15 (SR-15) & UPRR?

The structure is 503 ft (153.4 m) long with a longest span of 135 ft (41 m) and a deck 34 ft wide.

Who owns Shepherd Lane over I-15 (SR-15) & UPRR?

It is owned by the State Highway Agency.