US Bridges

T 1172 over Red Eye River

Fair

Otter Tail County, Minnesota · 0.2 MI W of JCT Csah 67 · Structure no. 95049

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
36
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 1172 over Red Eye River is a concrete culvert carrying T 1172 over Red Eye River in Otter Tail County, Minnesota. It was built in 1980, so it is 45 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 36 vehicles a day, projected to reach 36 by 2029. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesT 1172
CrossesRed Eye River
Location0.2 MI W of JCT Csah 67
RouteCounty Highway 1172
Coordinates46.71619, -95.39194
Functional classRural Local

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 inspectionOctober 2024
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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (1986)
Projected traffic36 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$161 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 1172 over Red Eye River built?

It was built in 1980, making it 45 years old in 2025.

What condition is T 1172 over Red Eye 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 2024.

How much traffic does T 1172 over Red Eye River carry?

About 36 vehicles per day (1986 count).

How long is T 1172 over Red Eye River?

The structure is 31 ft (9.3 m) long with a longest span of 13 ft (3.9 m).

Who owns T 1172 over Red Eye River?

It is owned by the Town or Township Highway Agency.