US Bridges

IRR BIA RTE 49 over Route 27 Drain Channel

Good

County 102, South Dakota · 0.2 KM E. of RTE 27 & 28 · Structure no. 0000A06344B0133

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
25
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 49 over Route 27 Drain Channel is a concrete culvert carrying IRR BIA RTE 49 over Route 27 Drain Channel in County 102, South Dakota. It was built in 2023, so it is 2 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 25 vehicles a day, roughly 1% of them trucks, projected to reach 40 by 2044. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIRR BIA RTE 49
CrossesRoute 27 Drain Channel
Location0.2 KM E. of RTE 27 & 28
RouteFederal Lands Road 49
Coordinates43.14007, -102.36291
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span5 ft (1.4 m)
Deck width0 ft (0 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic40 by 2044
Trucks1%
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 49 over Route 27 Drain Channel built?

It was built in 2023, making it 2 years old in 2025.

What condition is IRR BIA RTE 49 over Route 27 Drain Channel 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 June 2024.

How much traffic does IRR BIA RTE 49 over Route 27 Drain Channel carry?

About 25 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is IRR BIA RTE 49 over Route 27 Drain Channel?

The structure is 25 ft (7.5 m) long with a longest span of 5 ft (1.4 m).

Who owns IRR BIA RTE 49 over Route 27 Drain Channel?

It is owned by the Bureau of Indian Affairs.