US Bridges

313th Avenue over Creek

Fair

Lyman County, South Dakota · 2W & 8.8S of Kennebec · Structure no. 000000043230288

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

313th Avenue over Creek is a concrete continuous culvert carrying 313th Avenue over Creek in Lyman County, South Dakota. It was built in 1963, so it is 62 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 24 vehicles a day, roughly 2% of them trucks, projected to reach 24 by 2032. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries313th Avenue
CrossesCreek
Location2W & 8.8S of Kennebec
RouteCounty Highway 0
Coordinates43.77833, -99.90192
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating29.1 US tons
Inventory rating22.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic24 by 2032
Trucks2%
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 313th Avenue over Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 313th Avenue 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 July 2024.

How much traffic does 313th Avenue over Creek carry?

About 24 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 313th Avenue over Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 313th Avenue over Creek?

It is owned by the County Highway Agency.