US Bridges

T 15 over W Fk Little Sioux River

Good

Jackson County, Minnesota · 1.3 MI E of JCT Csah 9 · Structure no. 32570

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
49
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 15 over W Fk Little Sioux River is a prestressed concrete stringer/multi-beam or girder carrying T 15 over W Fk Little Sioux River in Jackson County, Minnesota. It was built in 2011, so it is 14 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2031. The structure is 81 ft (24.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 15
CrossesW Fk Little Sioux River
Location1.3 MI E of JCT Csah 9
RouteCounty Highway 15
Coordinates43.50051, -95.27954
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.4 US tons
Inventory rating39.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span79 ft (24 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2011)
Projected traffic49 by 2031
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 15 over W Fk Little Sioux River built?

It was built in 2011, making it 14 years old in 2025.

What condition is T 15 over W Fk Little Sioux River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does T 15 over W Fk Little Sioux River carry?

About 49 vehicles per day (2011 count).

How long is T 15 over W Fk Little Sioux River?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24 m) and a deck 33 ft wide.

Who owns T 15 over W Fk Little Sioux River?

It is owned by the Town or Township Highway Agency.