US Bridges

Cronk Road over Medicine Ck

Good

Haakon County, South Dakota · 9 E & 1.2 N Philip · Structure no. 000000028260478

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
13
2022 count
Owner
County
County Highway Agency

About this bridge

Cronk Road over Medicine Ck is a prestressed concrete tee beam carrying Cronk Road over Medicine Ck in Haakon County, South Dakota. It was built in 1985, so it is 40 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 13 vehicles a day, roughly 2% of them trucks, projected to reach 13 by 2032. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesCronk Road
CrossesMedicine Ck
Location9 E & 1.2 N Philip
RouteCounty Highway 0
Coordinates44.05497, -101.48727
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2022)
Projected traffic13 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cronk Road over Medicine Ck built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cronk Road over Medicine 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 September 2024.

How much traffic does Cronk Road over Medicine Ck carry?

About 13 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Cronk Road over Medicine Ck?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Cronk Road over Medicine Ck?

It is owned by the County Highway Agency.