US Bridges

Elk Vale Rd. over Elk Ck

Good

Meade County, South Dakota · 11.9E 0.4N Piedmont · Structure no. 000000047210552

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

Elk Vale Rd. over Elk Ck is a prestressed concrete tee beam carrying Elk Vale Rd. over Elk Ck in Meade County, South Dakota. It was built in 1970, so it is 55 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 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 85 vehicles a day, roughly 3% of them trucks, projected to reach 85 by 2032. The structure is 121 ft (36.9 m) long and 31 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesElk Vale Rd.
CrossesElk Ck
Location11.9E 0.4N Piedmont
RouteCounty Highway 0
Coordinates44.24007, -103.1514
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2022)
Projected traffic85 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Vale Rd. over Elk Ck built?

It was built in 1970, making it 55 years old in 2025.

What condition is Elk Vale Rd. over Elk 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 July 2024.

How much traffic does Elk Vale Rd. over Elk Ck carry?

About 85 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Elk Vale Rd. over Elk Ck?

The structure is 121 ft (36.9 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Elk Vale Rd. over Elk Ck?

It is owned by the County Highway Agency.