US Bridges

42110 307th Street over Snatch Creek

FairPosted for load

Bon Homme County, South Dakota · 3S & 4.1E of Tyndall · Structure no. 000000005201160

Built
1950
75 years old, rebuilt 1972
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
2 main spans
Daily traffic
67
2022 count
Owner
County
County Highway Agency

About this bridge

42110 307th Street over Snatch Creek is a steel stringer/multi-beam or girder carrying 42110 307th Street over Snatch Creek in Bon Homme County, South Dakota. It was built in 1950 and reconstructed in 1972, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 67 vehicles a day, roughly 2% of them trucks, projected to reach 67 by 2032. The structure is 72 ft (21.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries42110 307th Street
CrossesSnatch Creek
Location3S & 4.1E of Tyndall
RouteCounty Highway 0
Coordinates42.93729, -97.77256
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.4 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2022)
Projected traffic67 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 42110 307th Street over Snatch Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1972.

What condition is 42110 307th 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 42110 307th Street over Snatch Creek carry?

About 67 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 42110 307th Street over Snatch Creek?

The structure is 72 ft (21.9 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns 42110 307th Street over Snatch Creek?

It is owned by the County Highway Agency.