US Bridges

305th Avenue over Stoney Butte Creek

Good

Lyman County, South Dakota · 1W & 1.4N of Presho · Structure no. 000000043150186

Built
1966
59 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
119 ft
3 main spans
Daily traffic
280
2022 count
Owner
County
County Highway Agency

About this bridge

305th Avenue over Stoney Butte Creek is a concrete continuous slab carrying 305th Avenue over Stoney Butte Creek in Lyman County, South Dakota. It was built in 1966, so it is 59 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 280 vehicles a day, roughly 3% of them trucks, projected to reach 280 by 2032. The structure is 119 ft (36.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries305th Avenue
CrossesStoney Butte Creek
Location1W & 1.4N of Presho
RouteCounty Highway 0
Coordinates43.92474, -100.06599
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating30.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length119 ft (36.3 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2022)
Projected traffic280 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 305th Avenue over Stoney Butte Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is 305th Avenue over Stoney Butte Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 305th Avenue over Stoney Butte Creek carry?

About 280 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 305th Avenue over Stoney Butte Creek?

The structure is 119 ft (36.3 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns 305th Avenue over Stoney Butte Creek?

It is owned by the County Highway Agency.