US Bridges

41310 269 ST over South Fork Twelve Mile C

Good

Hutchinson County, South Dakota · 0.5 E Dimock S.D. · Structure no. 000000034075010

Built
1989
36 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

41310 269 ST over South Fork Twelve Mile C is a prestressed concrete tee beam carrying 41310 269 ST over South Fork Twelve Mile C in Hutchinson County, South Dakota. It was built in 1989, so it is 36 years old, younger 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 60 ft (18.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries41310 269 ST
CrossesSouth Fork Twelve Mile C
Location0.5 E Dimock S.D.
RouteCounty Highway 0
Coordinates43.48563, -97.96611
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length60 ft (18.4 m)
Longest span59 ft (18 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 41310 269 ST over South Fork Twelve Mile C built?

It was built in 1989, making it 36 years old in 2025.

What condition is 41310 269 ST over South Fork Twelve Mile C 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 May 2024.

How much traffic does 41310 269 ST over South Fork Twelve Mile C carry?

About 45 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 41310 269 ST over South Fork Twelve Mile C?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (18 m) and a deck 27 ft wide.

Who owns 41310 269 ST over South Fork Twelve Mile C?

It is owned by the County Highway Agency.