US Bridges

Stone House Road over Dry Choteau Creek

PoorPosted for load

Bon Homme County, South Dakota · 2W & 0.9S of Avon · Structure no. 000000005030119

Built
1924
101 years old, rebuilt 1996
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

Stone House Road over Dry Choteau Creek is a steel stringer/multi-beam or girder carrying Stone House Road over Dry Choteau Creek in Bon Homme County, South Dakota. It was built in 1924 and reconstructed in 1996, so it is 101 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesStone House Road
CrossesDry Choteau Creek
Location2W & 0.9S of Avon
Coordinates42.99722, -98.10921
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2032
Trucks2%
Lanes on structure2
Traffic directionHighway traffic not carried
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$491,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone House Road over Dry Choteau Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1996.

What condition is Stone House Road over Dry Choteau Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Stone House Road over Dry Choteau Creek carry?

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

How long is Stone House Road over Dry Choteau Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 18 ft wide.

Who owns Stone House Road over Dry Choteau Creek?

It is owned by the County Highway Agency.