US Bridges

E French Ck Road over French Ck

Fair

Custer County, South Dakota · 10.0E 2.0S Fairburn · Structure no. 000000017528144

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
18
2022 count
Owner
County
County Highway Agency

About this bridge

E French Ck Road over French Ck is a prestressed concrete stringer/multi-beam or girder carrying E French Ck Road over French Ck in Custer County, South Dakota. It was built in 1967, so it is 58 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 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 18 vehicles a day, roughly 2% of them trucks, projected to reach 18 by 2032. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesE French Ck Road
CrossesFrench Ck
Location10.0E 2.0S Fairburn
RouteCounty Highway 0
Coordinates43.65849, -103.0029
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2022)
Projected traffic18 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E French Ck Road over French Ck built?

It was built in 1967, making it 58 years old in 2025.

What condition is E French Ck Road over French 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 2023.

How much traffic does E French Ck Road over French Ck carry?

About 18 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is E French Ck Road over French Ck?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns E French Ck Road over French Ck?

It is owned by the County Highway Agency.