US Bridges

342 Avenue over Ck

Good

Gregory County, South Dakota · 2W & 5.3S Burke · Structure no. 000000027100276

Built
1932
93 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
32 ft
1 main span
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

342 Avenue over Ck is a concrete stringer/multi-beam or girder carrying 342 Avenue over Ck in Gregory County, South Dakota. It was built in 1932, so it is 93 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 36 vehicles a day, roughly 2% of them trucks, projected to reach 36 by 2032. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries342 Avenue
CrossesCk
Location2W & 5.3S Burke
RouteCounty Highway 0
Coordinates43.10152, -99.33635
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic36 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$133,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 342 Avenue over Ck built?

It was built in 1932, making it 93 years old in 2025.

What condition is 342 Avenue over 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 342 Avenue over Ck carry?

About 36 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 342 Avenue over Ck?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns 342 Avenue over Ck?

It is owned by the County Highway Agency.