US Bridges

203 a Street over Ck

Fair

Brookings County, South Dakota · 1.5W White · Structure no. 000000006225075

Built
1930
95 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
92
2022 count
Owner
County
County Highway Agency

About this bridge

203 a Street over Ck is a concrete continuous slab carrying 203 a Street over Ck in Brookings County, South Dakota. It was built in 1930, so it is 95 years old, older 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 5 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 92 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2032. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries203 a Street
CrossesCk
Location1.5W White
RouteCounty Highway 0
Coordinates44.43418, -96.67677
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span16 ft (5 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2022)
Projected traffic92 by 2032
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$828,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 203 a Street over Ck built?

It was built in 1930, making it 95 years old in 2025.

What condition is 203 a Street over Ck 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 September 2023.

How much traffic does 203 a Street over Ck carry?

About 92 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 203 a Street over Ck?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (5 m) and a deck 20 ft wide.

Who owns 203 a Street over Ck?

It is owned by the County Highway Agency.