US Bridges

D-Line Dike over East Outlet of Unit 2

Good

Box Elder County, Utah · D-Line Dike · Structure no. 000065530-00045

Built
1940
85 years old, rebuilt 2008
Condition
Good
inspected October 2022
Type
Tee Beam
Prestressed Concrete
Length
57 ft
3 main spans
Daily traffic
40
2022 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

D-Line Dike over East Outlet of Unit 2 is a prestressed concrete tee beam carrying D-Line Dike over East Outlet of Unit 2 in Box Elder County, Utah. It was built in 1940 and reconstructed in 2008, so it is 85 years old, older 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 40 vehicles a day, projected to reach 50 by 2042. The structure is 57 ft (17.4 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesD-Line Dike
CrossesEast Outlet of Unit 2
LocationD-Line Dike
RouteFederal Lands Road 0
CountyBox Elder County
StateUtah
Coordinates41.43383, -112.29683
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic40 (2022)
Projected traffic50 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was D-Line Dike over East Outlet of Unit 2 built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2008.

What condition is D-Line Dike over East Outlet of Unit 2 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 October 2022.

How much traffic does D-Line Dike over East Outlet of Unit 2 carry?

About 40 vehicles per day (2022 count).

How long is D-Line Dike over East Outlet of Unit 2?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 14 ft wide.

Who owns D-Line Dike over East Outlet of Unit 2?

It is owned by the Bureau of Fish and Wildlife.