US Bridges

309 Avenue over Br Medicine Ck

Good

Hughes County, South Dakota · 4.4 S Blunt · Structure no. 000000033290064

Built
1962
63 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

309 Avenue over Br Medicine Ck is a concrete continuous culvert carrying 309 Avenue over Br Medicine Ck in Hughes County, South Dakota. It was built in 1962, so it is 63 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 110 vehicles a day, roughly 3% of them trucks, projected to reach 110 by 2032. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries309 Avenue
CrossesBr Medicine Ck
Location4.4 S Blunt
RouteCounty Highway 0
Coordinates44.44683, -99.9874
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic110 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 309 Avenue over Br Medicine Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is 309 Avenue over Br 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 June 2024.

How much traffic does 309 Avenue over Br Medicine Ck carry?

About 110 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 309 Avenue over Br Medicine Ck?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns 309 Avenue over Br Medicine Ck?

It is owned by the County Highway Agency.