US Bridges

IRR BIA RTE 8 over Wounded Knee Creek

Good

County 102, South Dakota · 1.3KM W of BIA Route 33 · Structure no. 00000000000A145

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
74
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 8 over Wounded Knee Creek is a concrete culvert carrying IRR BIA RTE 8 over Wounded Knee Creek in County 102, South Dakota. It was built in 2007, so it is 18 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 74 vehicles a day, projected to reach 76 by 2043. The structure is 35 ft (10.7 m) long and 67 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 8
CrossesWounded Knee Creek
Location1.3KM W of BIA Route 33
RouteFederal Lands Road 8
Coordinates43.4185, -102.54
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width67 ft (20.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2023)
Projected traffic76 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 8 over Wounded Knee Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is IRR BIA RTE 8 over Wounded Knee Creek 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 July 2023.

How much traffic does IRR BIA RTE 8 over Wounded Knee Creek carry?

About 74 vehicles per day (2023 count).

How long is IRR BIA RTE 8 over Wounded Knee Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 67 ft wide.

Who owns IRR BIA RTE 8 over Wounded Knee Creek?

It is owned by the Bureau of Indian Affairs.