US Bridges

Duren over Boxelder

Good

Meade County, South Dakota · T 2 N R 5 E Sec 12 · Structure no. 020308000010061

Built
1973
52 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
73 ft
3 main spans
Daily traffic
25
1991 count
Owner
Federal
U.S. Forest Service

About this bridge

Duren over Boxelder is a steel continuous stringer/multi-beam or girder carrying Duren over Boxelder in Meade County, South Dakota. It was built in 1973, so it is 52 years old, older than the South Dakota average of 48.9 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 73 ft (22.3 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesDuren
CrossesBoxelder
LocationT 2 N R 5 E Sec 12
RouteFederal Lands Road 679.1
Coordinates44.14309, -103.45372
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length73 ft (22.3 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1991)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Duren over Boxelder built?

It was built in 1973, making it 52 years old in 2025.

What condition is Duren over Boxelder 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 March 2024.

How much traffic does Duren over Boxelder carry?

About 25 vehicles per day (1991 count).

How long is Duren over Boxelder?

The structure is 73 ft (22.3 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns Duren over Boxelder?

It is owned by the U.S. Forest Service.