US Bridges

T 293 over Little Cottonwood River

Good

Brown County, Minnesota · 2.1 MI S of JCT Csah 24 · Structure no. 08530

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
190 ft
3 main spans
Daily traffic
40
1986 count
Owner
County
County Highway Agency

About this bridge

T 293 over Little Cottonwood River is a prestressed concrete tee beam carrying T 293 over Little Cottonwood River in Brown County, Minnesota. It was built in 1986, so it is 39 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 40 by 2029. The structure is 190 ft (58 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 293
CrossesLittle Cottonwood River
Location2.1 MI S of JCT Csah 24
RouteCounty Highway 293
Coordinates44.20831, -94.69507
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length190 ft (58 m)
Longest span63 ft (19.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1986)
Projected traffic40 by 2029
Trucks—
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 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 293 over Little Cottonwood River built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 293 over Little Cottonwood 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 October 2024.

How much traffic does T 293 over Little Cottonwood River carry?

About 40 vehicles per day (1986 count).

How long is T 293 over Little Cottonwood River?

The structure is 190 ft (58 m) long with a longest span of 63 ft (19.1 m) and a deck 32 ft wide.

Who owns T 293 over Little Cottonwood River?

It is owned by the County Highway Agency.