US Bridges

368 Ave over Wolf Ck

PoorClosed to traffic

Hand County, South Dakota · 8 E & 9.9 N Miller · Structure no. 000000030240151

Built
1915
110 years old
Condition
Poor
inspected September 2021
Type
Truss - Thru
Steel
Length
41 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

368 Ave over Wolf Ck is a steel truss - thru carrying 368 Ave over Wolf Ck in Hand County, South Dakota. It was built in 1915, so it is 110 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 0 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: closed to all traffic.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 41 ft (12.5 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries368 Ave
CrossesWolf Ck
Location8 E & 9.9 N Miller
RouteCounty Highway 0
Coordinates44.6785, -98.82595
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionSeptember 2021
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$378,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 368 Ave over Wolf Ck built?

It was built in 1915, making it 110 years old in 2025.

What condition is 368 Ave over Wolf 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 September 2021.

How much traffic does 368 Ave over Wolf Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 368 Ave over Wolf Ck?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 17 ft wide.

Who owns 368 Ave over Wolf Ck?

It is owned by the County Highway Agency.