US Bridges

US 75 over Swift Coulee

Fair

Marshall County, Minnesota · 6.0 MI N of JCT Mn 1 · Structure no. 45X04

Built
2007
18 years old
Condition
Fair
inspected August 2021
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
1,200
2018 count
Owner
State
State Highway Agency

About this bridge

US 75 over Swift Coulee is a concrete culvert carrying US 75 over Swift Coulee in Marshall County, Minnesota. It was built in 2007, so it is 18 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 1,200 vehicles a day, roughly 19% of them trucks, projected to reach 1,050 by 2038. The structure is 48 ft (14.6 m) long.

Location

Open in Google Maps
CarriesUS 75
CrossesSwift Coulee
Location6.0 MI N of JCT Mn 1
RouteU.S. Route 75
CountyMarshall County
StateMinnesota
Coordinates48.27658, -96.80024
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2018)
Projected traffic1,050 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 75 over Swift Coulee built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 75 over Swift Coulee 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 August 2021.

How much traffic does US 75 over Swift Coulee carry?

About 1,200 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is US 75 over Swift Coulee?

The structure is 48 ft (14.6 m) long with a longest span of 13 ft (4 m).

Who owns US 75 over Swift Coulee?

It is owned by the State Highway Agency.