US Bridges

US 75 over CO Ditch # 4

Fair

Marshall County, Minnesota · 1.2 MI S of JCT TH 1 · Structure no. 96691

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
685
2022 count
Owner
State
State Highway Agency

About this bridge

US 75 over CO Ditch # 4 is a concrete culvert carrying US 75 over CO Ditch # 4 in Marshall County, Minnesota. It was built in 1989, so it is 36 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 685 vehicles a day, roughly 35% of them trucks, projected to reach 640 by 2042. The structure is 21 ft (6.5 m) long.

CarriesUS 75
CrossesCO Ditch # 4
Location1.2 MI S of JCT TH 1
RouteU.S. Route 75
Coordinates48.18046, -96.76241
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 spans2
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic685 (2022)
Projected traffic640 by 2042
Trucks35%
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 CO Ditch # 4 built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 75 over CO Ditch # 4 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 September 2024.

How much traffic does US 75 over CO Ditch # 4 carry?

About 685 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is US 75 over CO Ditch # 4?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m).

Who owns US 75 over CO Ditch # 4?

It is owned by the State Highway Agency.