US Bridges

IRR BIA RTE 202 over Smith Creek

Fair

Buffalo County, South Dakota · 0.8 KM S of Shelby · Structure no. 00000000000A114

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
147
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 202 over Smith Creek is a concrete slab carrying IRR BIA RTE 202 over Smith Creek in Buffalo County, South Dakota. It was built in 1983, so it is 42 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 147 vehicles a day, roughly 12% of them trucks, projected to reach 207 by 2044. The structure is 50 ft (15.2 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIRR BIA RTE 202
CrossesSmith Creek
Location0.8 KM S of Shelby
RouteFederal Lands Road 202
Coordinates43.94433, -99.18722
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.4 US tons
Inventory rating40.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2024)
Projected traffic207 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 202 over Smith Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is IRR BIA RTE 202 over Smith 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 August 2024.

How much traffic does IRR BIA RTE 202 over Smith Creek carry?

About 147 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is IRR BIA RTE 202 over Smith Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 34 ft wide.

Who owns IRR BIA RTE 202 over Smith Creek?

It is owned by the Bureau of Indian Affairs.