US Bridges

327 Avenue over Ck

FairPosted for load

Tripp County, South Dakota · 4E 6.5S Colome · Structure no. 000000062310423

Built
1952
73 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
27 ft
1 main span
Daily traffic
31
2022 count
Owner
County
County Highway Agency

About this bridge

327 Avenue over Ck is a wood or timber stringer/multi-beam or girder carrying 327 Avenue over Ck in Tripp County, South Dakota. It was built in 1952, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 31 vehicles a day, roughly 2% of them trucks, projected to reach 31 by 2032. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries327 Avenue
CrossesCk
Location4E 6.5S Colome
RouteCounty Highway 0
Coordinates43.16324, -99.63283
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.7 US tons
Inventory rating11.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic31 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 327 Avenue over Ck built?

It was built in 1952, making it 73 years old in 2025.

What condition is 327 Avenue over 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 June 2023.

How much traffic does 327 Avenue over Ck carry?

About 31 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 327 Avenue over Ck?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns 327 Avenue over Ck?

It is owned by the County Highway Agency.