US Bridges

Spring Ck Cutoff over Spring Ck

Fair

Custer County, South Dakota · 12E Hermosa · Structure no. 000000017547020

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Spring Ck Cutoff over Spring Ck is a prestressed concrete tee beam carrying Spring Ck Cutoff over Spring Ck in Custer County, South Dakota. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2032. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesSpring Ck Cutoff
CrossesSpring Ck
Location12E Hermosa
RouteCounty Highway 0
Coordinates43.83943, -102.96722
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.
Superstructure7 GoodSome minor problems.
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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Ck Cutoff over Spring Ck built?

It was built in 1986, making it 39 years old in 2025.

What condition is Spring Ck Cutoff over Spring 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 Spring Ck Cutoff over Spring Ck carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Spring Ck Cutoff over Spring Ck?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Spring Ck Cutoff over Spring Ck?

It is owned by the County Highway Agency.