US Bridges

US 12 over Cottonwood Creek

Good

Swift County, Minnesota · 6.6 MI E of JCT TH 59 · Structure no. 76018

Built
2023
2 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
1,318
2022 count
Owner
State
State Highway Agency

About this bridge

US 12 over Cottonwood Creek is a prestressed concrete stringer/multi-beam or girder carrying US 12 over Cottonwood Creek in Swift County, Minnesota. It was built in 2023, so it is 2 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 1,318 vehicles a day, roughly 47% of them trucks, projected to reach 1,590 by 2042. The structure is 52 ft (16 m) long and 51 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 12
CrossesCottonwood Creek
Location6.6 MI E of JCT TH 59
RouteU.S. Route 12
Coordinates45.28228, -95.77675
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (16 m)
Longest span51 ft (15.4 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,318 (2022)
Projected traffic1,590 by 2042
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 12 over Cottonwood Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is US 12 over Cottonwood Creek 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 US 12 over Cottonwood Creek carry?

About 1,318 vehicles per day (2022 count), of which roughly 47% are trucks.

How long is US 12 over Cottonwood Creek?

The structure is 52 ft (16 m) long with a longest span of 51 ft (15.4 m) and a deck 51 ft wide.

Who owns US 12 over Cottonwood Creek?

It is owned by the State Highway Agency.