US Bridges

US 71 over Cottonwood River

Good

Redwood County, Minnesota · 2.8 MI S of JCT US 14 · Structure no. 64011

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
3 main spans
Daily traffic
2,750
2019 count
Owner
State
State Highway Agency

About this bridge

US 71 over Cottonwood River is a prestressed concrete stringer/multi-beam or girder carrying US 71 over Cottonwood River in Redwood County, Minnesota. It was built in 2021, so it is 4 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 2,750 vehicles a day, roughly 27% of them trucks, projected to reach 3,240 by 2039. The structure is 266 ft (81 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 71
CrossesCottonwood River
Location2.8 MI S of JCT US 14
RouteU.S. Route 71
Coordinates44.19875, -95.12123
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length266 ft (81 m)
Longest span89 ft (27.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2019)
Projected traffic3,240 by 2039
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 71 over Cottonwood River built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 71 over 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 2023.

How much traffic does US 71 over Cottonwood River carry?

About 2,750 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is US 71 over Cottonwood River?

The structure is 266 ft (81 m) long with a longest span of 89 ft (27.1 m) and a deck 47 ft wide.

Who owns US 71 over Cottonwood River?

It is owned by the State Highway Agency.