US Bridges

142 Street over Ck

PoorPosted for load

Grant County, South Dakota · 4.2E & 4.5N Marvin · Structure no. 000000026199000

Built
1958
67 years old
Condition
Poor
inspected August 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
52
2022 count
Owner
County
County Highway Agency

About this bridge

142 Street over Ck is a wood or timber slab carrying 142 Street over Ck in Grant County, South Dakota. It was built in 1958, so it is 67 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 3 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 52 vehicles a day, roughly 2% of them trucks, projected to reach 52 by 2032. The structure is 24 ft (7.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries142 Street
CrossesCk
Location4.2E & 4.5N Marvin
RouteCounty Highway 0
Coordinates45.32611, -96.82209
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9 US tons
Inventory rating6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span23 ft (6.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2022)
Projected traffic52 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$500,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 142 Street over Ck built?

It was built in 1958, making it 67 years old in 2025.

What condition is 142 Street 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 August 2024.

How much traffic does 142 Street over Ck carry?

About 52 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 142 Street over Ck?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (6.9 m) and a deck 24 ft wide.

Who owns 142 Street over Ck?

It is owned by the County Highway Agency.