US Bridges

42610 310th Street over Creek

Fair

Bon Homme County, South Dakota · 3S & 0.9W of Tabor · Structure no. 000000005251190

Built
1935
90 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

42610 310th Street over Creek is a concrete continuous slab carrying 42610 310th Street over Creek in Bon Homme County, South Dakota. It was built in 1935, so it is 90 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 34 ft (10.5 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries42610 310th Street
CrossesCreek
Location3S & 0.9W of Tabor
Coordinates42.89421, -97.6723
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span17 ft (5.1 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 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 42610 310th Street over Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is 42610 310th Street over 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 42610 310th Street over Creek carry?

About 60 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 42610 310th Street over Creek?

The structure is 34 ft (10.5 m) long with a longest span of 17 ft (5.1 m) and a deck 20 ft wide.

Who owns 42610 310th Street over Creek?

It is owned by the County Highway Agency.