US Bridges

27870 Co. Rd. 11 over Wolf Ck

Fair

Hutchinson County, South Dakota · 9.3W & 0.7S of Freeman · Structure no. 000000034247107

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

27870 Co. Rd. 11 over Wolf Ck is a prestressed concrete tee beam carrying 27870 Co. Rd. 11 over Wolf Ck in Hutchinson County, South Dakota. It was built in 1978, so it is 47 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 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 91 ft (27.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries27870 Co. Rd. 11
CrossesWolf Ck
Location9.3W & 0.7S of Freeman
RouteCounty Highway 0
CountyHutchinson County
StateSouth Dakota
Coordinates43.34632, -97.62291
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadUnknown
Structure length91 ft (27.6 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 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 27870 Co. Rd. 11 over Wolf Ck built?

It was built in 1978, making it 47 years old in 2025.

What condition is 27870 Co. Rd. 11 over Wolf Ck 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 2024.

How much traffic does 27870 Co. Rd. 11 over Wolf Ck carry?

About 69 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27870 Co. Rd. 11 over Wolf Ck?

The structure is 91 ft (27.6 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns 27870 Co. Rd. 11 over Wolf Ck?

It is owned by the County Highway Agency.