US Bridges

41970 301st Street over Snatch Creek

Fair

Bon Homme County, South Dakota · 3N & 3.2E of Tyndall · Structure no. 000000005187100

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
50 ft
2 main spans
Daily traffic
345
2022 count
Owner
County
County Highway Agency

About this bridge

41970 301st Street over Snatch Creek is a concrete channel beam carrying 41970 301st Street over Snatch Creek in Bon Homme County, South Dakota. It was built in 1959, so it is 66 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 345 vehicles a day, roughly 3% of them trucks, projected to reach 345 by 2032. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries41970 301st Street
CrossesSnatch Creek
Location3N & 3.2E of Tyndall
RouteCounty Highway 0
Coordinates43.0251, -97.79846
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating40.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2022)
Projected traffic345 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 41970 301st Street over Snatch Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is 41970 301st Street over Snatch 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 May 2023.

How much traffic does 41970 301st Street over Snatch Creek carry?

About 345 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 41970 301st Street over Snatch Creek?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns 41970 301st Street over Snatch Creek?

It is owned by the County Highway Agency.