US Bridges

US 75 over Doran Slough

Good

Wilkin County, Minnesota · 0.7 MI S of Doran · Structure no. 84X02

Built
2016
9 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
440
2020 count
Owner
State
State Highway Agency

About this bridge

US 75 over Doran Slough is a concrete culvert carrying US 75 over Doran Slough in Wilkin County, Minnesota. It was built in 2016, so it is 9 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 440 vehicles a day, roughly 23% of them trucks, projected to reach 530 by 2040. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 75
CrossesDoran Slough
Location0.7 MI S of Doran
RouteU.S. Route 75
CountyWilkin County
StateMinnesota
Coordinates46.17796, -96.49258
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2020)
Projected traffic530 by 2040
Trucks23%
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

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 Doran Slough built?

It was built in 2016, making it 9 years old in 2025.

What condition is US 75 over Doran Slough 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 August 2022.

How much traffic does US 75 over Doran Slough carry?

About 440 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is US 75 over Doran Slough?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m).

Who owns US 75 over Doran Slough?

It is owned by the State Highway Agency.