US Bridges

IRR BIA RTE 5 over Little White River

Good

Todd County, South Dakota · 16 KM NE of Spring Creek · Structure no. 0000A07345B0033

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
1,096
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 5 over Little White River is a prestressed concrete tee beam carrying IRR BIA RTE 5 over Little White River in Todd County, South Dakota. It was built in 2016, so it is 9 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 1,096 vehicles a day, roughly 6% of them trucks, projected to reach 1,282 by 2044. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesIRR BIA RTE 5
CrossesLittle White River
Location16 KM NE of Spring Creek
RouteFederal Lands Road 5
Coordinates43.22639, -100.95622
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.7 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span97 ft (29.7 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,096 (2024)
Projected traffic1,282 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 5 over Little White River built?

It was built in 2016, making it 9 years old in 2025.

What condition is IRR BIA RTE 5 over Little White River 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 August 2024.

How much traffic does IRR BIA RTE 5 over Little White River carry?

About 1,096 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is IRR BIA RTE 5 over Little White River?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.7 m) and a deck 33 ft wide.

Who owns IRR BIA RTE 5 over Little White River?

It is owned by the Bureau of Indian Affairs.