US Bridges

205 Avenue over Ck

PoorPosted for load

Bennett County, South Dakota · 13.0W 2.8S Martin · Structure no. 000000004060178

Built
1932
93 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
37
2022 count
Owner
County
County Highway Agency

About this bridge

205 Avenue over Ck is a concrete culvert carrying 205 Avenue over Ck in Bennett 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 37 vehicles a day, roughly 2% of them trucks, projected to reach 37 by 2032. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Carries205 Avenue
CrossesCk
Location13.0W 2.8S Martin
RouteCounty Highway 0
Coordinates43.13196, -101.99005
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2022)
Projected traffic37 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 205 Avenue over Ck built?

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

What condition is 205 Avenue over Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does 205 Avenue over Ck carry?

About 37 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 205 Avenue over Ck?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns 205 Avenue over Ck?

It is owned by the County Highway Agency.