US Bridges

372nd Ave over Turtle Ck

Poor

Hand County, South Dakota · 2W & 10.2N Wessington · Structure no. 000000030280198

Built
1968
57 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

372nd Ave over Turtle Ck is a prestressed concrete tee beam carrying 372nd Ave over Turtle Ck in Hand County, South Dakota. It was built in 1968, so it is 57 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.

It carries about 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries372nd Ave
CrossesTurtle Ck
Location2W & 10.2N Wessington
RouteCounty Highway 0
Coordinates44.60845, -98.74631
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 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 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$55,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 372nd Ave over Turtle Ck built?

It was built in 1968, making it 57 years old in 2025.

What condition is 372nd Ave over Turtle 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 372nd Ave over Turtle Ck carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 372nd Ave over Turtle Ck?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 23 ft wide.

Who owns 372nd Ave over Turtle Ck?

It is owned by the County Highway Agency.