US Bridges

236 Street over Smith Ck

Fair

Jerauld County, South Dakota · 0.7W Crow Lake · Structure no. 000000037089160

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
42
2022 count
Owner
County
County Highway Agency

About this bridge

236 Street over Smith Ck is a prestressed concrete tee beam carrying 236 Street over Smith Ck in Jerauld County, South Dakota. It was built in 1975, so it is 50 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 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 42 vehicles a day, roughly 3% of them trucks, projected to reach 42 by 2032. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries236 Street
CrossesSmith Ck
Location0.7W Crow Lake
RouteCounty Highway 0
Coordinates43.96423, -98.74925
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2022)
Projected traffic42 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 236 Street over Smith Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is 236 Street over Smith 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 August 2024.

How much traffic does 236 Street over Smith Ck carry?

About 42 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 236 Street over Smith Ck?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns 236 Street over Smith Ck?

It is owned by the County Highway Agency.