US Bridges

US 59 over Redwood River

Fair

Lyon County, Minnesota · On Main ST in Marshall · Structure no. 6568

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
102 ft
4 main spans
Daily traffic
9,500
2018 count
Owner
State
State Highway Agency

About this bridge

US 59 over Redwood River is a concrete culvert carrying US 59 over Redwood River in Lyon County, Minnesota. It was built in 1950, so it is 75 years old, older 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 5 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 9,500 vehicles a day, roughly 4% of them trucks, projected to reach 9,000 by 2038. The structure is 102 ft (31.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59
CrossesRedwood River
LocationOn Main ST in Marshall
RouteU.S. Route 59
Coordinates44.44623, -95.78768
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length102 ft (31.2 m)
Longest span28 ft (8.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2018)
Projected traffic9,000 by 2038
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 59 over Redwood River built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 59 over Redwood 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 October 2023.

How much traffic does US 59 over Redwood River carry?

About 9,500 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is US 59 over Redwood River?

The structure is 102 ft (31.2 m) long with a longest span of 28 ft (8.4 m).

Who owns US 59 over Redwood River?

It is owned by the State Highway Agency.