US Bridges

365 Ave over Wolf Ck

PoorClosed to traffic

Hand County, South Dakota · 5 E & 8.2 N Miller · Structure no. 000000030210168

Built
1915
110 years old
Condition
Poor
inspected July 2015
Type
Truss - Thru
Steel
Length
43 ft
1 main span
Daily traffic
43
2022 count
Owner
County
County Highway Agency

About this bridge

365 Ave over Wolf Ck is a steel truss - thru carrying 365 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 2 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 43 vehicles a day, roughly 2% of them trucks, projected to reach 43 by 2032. The structure is 43 ft (13.1 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries365 Ave
CrossesWolf Ck
Location5 E & 8.2 N Miller
RouteCounty Highway 0
Coordinates44.65142, -98.88687
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
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2015
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating3 US tons
Inventory rating3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2022)
Projected traffic43 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 365 Ave over Wolf Ck built?

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

What condition is 365 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 July 2015.

How much traffic does 365 Ave over Wolf Ck carry?

About 43 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 365 Ave over Wolf Ck?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 15 ft wide.

Who owns 365 Ave over Wolf Ck?

It is owned by the County Highway Agency.