US Bridges

SD026 over North Wolf Ck

Fair

Hand County, South Dakota · 5.9 E JCT Sd 45 · Structure no. 000000030218090

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
301
2024 count
Owner
State
State Highway Agency

About this bridge

SD026 over North Wolf Ck is a concrete continuous slab carrying SD026 over North Wolf Ck in Hand 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 fair condition with a lowest component rating of 6 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 301 vehicles a day, roughly 20% of them trucks, projected to reach 401 by 2044. The structure is 73 ft (22.4 m) long and 33 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSD026
CrossesNorth Wolf Ck
Location5.9 E JCT Sd 45
RouteState Highway 26
Coordinates44.76543, -98.86745
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating68.7 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.4 m)
Longest span26 ft (7.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic301 (2024)
Projected traffic401 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SD026 over North Wolf Ck built?

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

What condition is SD026 over North 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 April 2024.

How much traffic does SD026 over North Wolf Ck carry?

About 301 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is SD026 over North Wolf Ck?

The structure is 73 ft (22.4 m) long with a longest span of 26 ft (7.8 m) and a deck 33 ft wide.

Who owns SD026 over North Wolf Ck?

It is owned by the State Highway Agency.