US Bridges

Pine Hills Road over Cottonwood Ck

Good

Fall River County, South Dakota · 0.5S Edgemont · Structure no. 000000024117130

Built
1978
47 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Pine Hills Road over Cottonwood Ck is a prestressed concrete stringer/multi-beam or girder carrying Pine Hills Road over Cottonwood Ck in Fall River 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 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 107 ft (32.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPine Hills Road
CrossesCottonwood Ck
Location0.5S Edgemont
RouteCounty Highway 0
Coordinates43.28958, -103.82408
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating76.2 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine Hills Road over Cottonwood Ck built?

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

What condition is Pine Hills Road over Cottonwood Ck 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 Pine Hills Road over Cottonwood Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Pine Hills Road over Cottonwood Ck?

The structure is 107 ft (32.6 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns Pine Hills Road over Cottonwood Ck?

It is owned by the County Highway Agency.