US Bridges

T 147 over Cottonwood River

Fair

Redwood County, Minnesota · 2.4 MI W of JCT TH 71 · Structure no. 64550

Built
1993
32 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
31
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 147 over Cottonwood River is a concrete continuous slab carrying T 147 over Cottonwood River in Redwood County, Minnesota. It was built in 1993, so it is 32 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 31 vehicles a day, projected to reach 7 by 2042. The structure is 137 ft (41.8 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 147
CrossesCottonwood River
Location2.4 MI W of JCT TH 71
RouteCounty Highway 147
Coordinates44.22497, -95.17671
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.1 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span54 ft (16.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic7 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 147 over Cottonwood River built?

It was built in 1993, making it 32 years old in 2025.

What condition is T 147 over Cottonwood River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does T 147 over Cottonwood River carry?

About 31 vehicles per day (2022 count).

How long is T 147 over Cottonwood River?

The structure is 137 ft (41.8 m) long with a longest span of 54 ft (16.5 m) and a deck 31 ft wide.

Who owns T 147 over Cottonwood River?

It is owned by the Town or Township Highway Agency.