US Bridges

T 313 over Wing River

Poor

Todd County, Minnesota · 0.7 MI W of JCT TH71 · Structure no. L7061

Built
1954
71 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
48 ft
2 main spans
Daily traffic
60
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 313 over Wing River is a wood or timber slab carrying T 313 over Wing River in Todd County, Minnesota. It was built in 1954, so it is 71 years old, older than the Minnesota average of 38.5 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.

It carries about 60 vehicles a day, projected to reach 60 by 2029. The structure is 48 ft (14.7 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 313
CrossesWing River
Location0.7 MI W of JCT TH71
RouteCounty Highway 313
Coordinates46.3111, -95.09917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating37.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1970)
Projected traffic60 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 313 over Wing River built?

It was built in 1954, making it 71 years old in 2025.

What condition is T 313 over Wing River 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 October 2024.

How much traffic does T 313 over Wing River carry?

About 60 vehicles per day (1970 count).

How long is T 313 over Wing River?

The structure is 48 ft (14.7 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns T 313 over Wing River?

It is owned by the Town or Township Highway Agency.