US Bridges

42910 259 St. over Wolf Ck

Fair

Hanson County, South Dakota · 2 N & 0.1 E Emery · Structure no. 000000031171150

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

42910 259 St. over Wolf Ck is a concrete channel beam carrying 42910 259 St. over Wolf Ck in Hanson County, South Dakota. It was built in 2002, so it is 23 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 34 ft (10.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries42910 259 St.
CrossesWolf Ck
Location2 N & 0.1 E Emery
RouteCounty Highway 0
Coordinates43.62974, -97.62593
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span33 ft (10.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 42910 259 St. over Wolf Ck built?

It was built in 2002, making it 23 years old in 2025.

What condition is 42910 259 St. 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 July 2023.

How much traffic does 42910 259 St. over Wolf Ck carry?

About 35 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 42910 259 St. over Wolf Ck?

The structure is 34 ft (10.3 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns 42910 259 St. over Wolf Ck?

It is owned by the County Highway Agency.