US Bridges

IRR BIA RTE 27 over Wounded Knee Tributary

Good

County 102, South Dakota · 0.7 KM N of Wounded Knee · Structure no. 00000000000A153

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
500
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 27 over Wounded Knee Tributary is a concrete culvert carrying IRR BIA RTE 27 over Wounded Knee Tributary in County 102, South Dakota. It was built in 2011, so it is 14 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 550 by 2043. The structure is 29 ft (8.7 m) long and 231 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 27
CrossesWounded Knee Tributary
Location0.7 KM N of Wounded Knee
RouteFederal Lands Road 27
CountyCounty 102
StateSouth Dakota
Coordinates43.14358, -102.35839
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span14 ft (4.2 m)
Deck width231 ft (70.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic550 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 27 over Wounded Knee Tributary built?

It was built in 2011, making it 14 years old in 2025.

What condition is IRR BIA RTE 27 over Wounded Knee Tributary 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 27 over Wounded Knee Tributary carry?

About 500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 27 over Wounded Knee Tributary?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.2 m) and a deck 231 ft wide.

Who owns IRR BIA RTE 27 over Wounded Knee Tributary?

It is owned by the Bureau of Indian Affairs.