US Bridges

T 259 over Little Cottonwood River

Good

Brown County, Minnesota · 0.7 MI N of JCT Csah 24 · Structure no. 08535

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
87
1988 count
Owner
County
County Highway Agency

About this bridge

T 259 over Little Cottonwood River is a prestressed concrete stringer/multi-beam or girder carrying T 259 over Little Cottonwood River in Brown County, Minnesota. It was built in 1994, so it is 31 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 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 87 vehicles a day, projected to reach 87 by 2029. The structure is 91 ft (27.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT 259
CrossesLittle Cottonwood River
Location0.7 MI N of JCT Csah 24
RouteCounty Highway 259
Coordinates44.23424, -94.47247
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 protection7 GoodSome minor problems.
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length91 ft (27.6 m)
Longest span89 ft (27.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (1988)
Projected traffic87 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 259 over Little Cottonwood River built?

It was built in 1994, making it 31 years old in 2025.

What condition is T 259 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 259 over Little Cottonwood River carry?

About 87 vehicles per day (1988 count).

How long is T 259 over Little Cottonwood River?

The structure is 91 ft (27.6 m) long with a longest span of 89 ft (27.1 m) and a deck 35 ft wide.

Who owns T 259 over Little Cottonwood River?

It is owned by the County Highway Agency.