US Bridges

Csah 75 over Hay Creek

Fair

Otter Tail County, Minnesota · 1.4 MI S of JCT Csah 8 · Structure no. 90756

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
495
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 75 over Hay Creek is a steel culvert carrying Csah 75 over Hay Creek in Otter Tail County, Minnesota. It was built in 1965, so it is 60 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 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 495 vehicles a day, projected to reach 495 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesCsah 75
CrossesHay Creek
Location1.4 MI S of JCT Csah 8
RouteCounty Highway 75
Coordinates46.60983, -95.17623
Functional classRural Minor Collector

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 inspectionNovember 2023
Inspection intervalevery 24 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic495 (2015)
Projected traffic495 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$80 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 75 over Hay Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 75 over Hay Creek 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 November 2023.

How much traffic does Csah 75 over Hay Creek carry?

About 495 vehicles per day (2015 count).

How long is Csah 75 over Hay Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Csah 75 over Hay Creek?

It is owned by the County Highway Agency.