US Bridges

IRR BIA RTE 2 over Medicine Root Creek

Fair

County 102, South Dakota · 0.5 KM East of Kyle · Structure no. 00000000000A129

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
1,314
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Medicine Root Creek is a steel culvert carrying IRR BIA RTE 2 over Medicine Root Creek in County 102, South Dakota. It was built in 1980, so it is 45 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,314 vehicles a day, roughly 10% of them trucks, projected to reach 1,537 by 2043. The structure is 34 ft (10.4 m) long and 109 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesIRR BIA RTE 2
CrossesMedicine Root Creek
Location0.5 KM East of Kyle
RouteFederal Lands Road 2
Coordinates43.42603, -102.16999
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span9 ft (2.6 m)
Deck width109 ft (33.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,314 (2023)
Projected traffic1,537 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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 2 over Medicine Root Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRR BIA RTE 2 over Medicine Root Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does IRR BIA RTE 2 over Medicine Root Creek carry?

About 1,314 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 2 over Medicine Root Creek?

The structure is 34 ft (10.4 m) long with a longest span of 9 ft (2.6 m) and a deck 109 ft wide.

Who owns IRR BIA RTE 2 over Medicine Root Creek?

It is owned by the Bureau of Indian Affairs.