US Bridges

US-89 (SR-89) over SR-106 Shephard Lane

Fair

Davis County, Utah · At Shephard Lane Intsec. · Structure no. 0F 695

Built
2004
21 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
1 main span
Daily traffic
37,985
2021 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over SR-106 Shephard Lane is a prestressed concrete stringer/multi-beam or girder carrying US-89 (SR-89) over SR-106 Shephard Lane in Davis County, Utah. It was built in 2004, so it is 21 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 37,985 vehicles a day, roughly 18% of them trucks, projected to reach 45,582 by 2041. The structure is 136 ft (41.4 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS-89 (SR-89)
CrossesSR-106 Shephard Lane
LocationAt Shephard Lane Intsec.
RouteU.S. Route 89
CountyDavis County
StateUtah
Coordinates41.00056, -111.9075
Functional classUrban Other Principal 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.
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 alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length136 ft (41.4 m)
Longest span130 ft (39.5 m)
Deck width121 ft (37 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic37,985 (2021)
Projected traffic45,582 by 2041
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US-89 (SR-89) over SR-106 Shephard Lane built?

It was built in 2004, making it 21 years old in 2025.

What condition is US-89 (SR-89) over SR-106 Shephard Lane 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 US-89 (SR-89) over SR-106 Shephard Lane carry?

About 37,985 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US-89 (SR-89) over SR-106 Shephard Lane?

The structure is 136 ft (41.4 m) long with a longest span of 130 ft (39.5 m) and a deck 121 ft wide.

Who owns US-89 (SR-89) over SR-106 Shephard Lane?

It is owned by the State Highway Agency.