US Bridges

IRR BIA RTE 6 over Bear in the Lodge Creek

Good

Jackson County, South Dakota · 1 KM N of Hisle · Structure no. 00000000000A147

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
100
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 6 over Bear in the Lodge Creek is a concrete culvert carrying IRR BIA RTE 6 over Bear in the Lodge Creek in Jackson County, South Dakota. It was built in 1999, so it is 26 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 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 101 by 2043. The structure is 25 ft (7.5 m) long and 76 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesIRR BIA RTE 6
CrossesBear in the Lodge Creek
Location1 KM N of Hisle
RouteFederal Lands Road 6
Coordinates43.41661, -101.75481
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating43.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width76 ft (23.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 6 over Bear in the Lodge Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is IRR BIA RTE 6 over Bear in the Lodge 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 6 over Bear in the Lodge Creek carry?

About 100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is IRR BIA RTE 6 over Bear in the Lodge Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 76 ft wide.

Who owns IRR BIA RTE 6 over Bear in the Lodge Creek?

It is owned by the Bureau of Indian Affairs.