US Bridges

US 10 over Csah 67

Fair

Otter Tail County, Minnesota · At JCT Csah 67 in Nymill · Structure no. 56009

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
203 ft
3 main spans
Daily traffic
3,750
2017 count
Owner
State
State Highway Agency

About this bridge

US 10 over Csah 67 is a steel continuous stringer/multi-beam or girder carrying US 10 over Csah 67 in Otter Tail County, Minnesota. It was built in 1975, so it is 50 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 3,750 vehicles a day, roughly 9% of them trucks, projected to reach 3,750 by 2039. The structure is 203 ft (61.8 m) long and 45 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS 10
CrossesCsah 67
LocationAt JCT Csah 67 in Nymill
RouteU.S. Route 10
Coordinates46.52299, -95.36972
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.8 m)
Longest span90 ft (27.4 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,750 (2017)
Projected traffic3,750 by 2039
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 10 over Csah 67 built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 10 over Csah 67 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 10 over Csah 67 carry?

About 3,750 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is US 10 over Csah 67?

The structure is 203 ft (61.8 m) long with a longest span of 90 ft (27.4 m) and a deck 45 ft wide.

Who owns US 10 over Csah 67?

It is owned by the State Highway Agency.