US Bridges

T 108 over Red Eye River

Good

Otter Tail County, Minnesota · 1.4 MI S of N CO Line · Structure no. 95168

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
30
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 108 over Red Eye River is a concrete culvert carrying T 108 over Red Eye River in Otter Tail County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2029. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesT 108
CrossesRed Eye River
Location1.4 MI S of N CO Line
RouteCounty Highway 108
Coordinates46.69603, -95.33096
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 traffic30 (1986)
Projected traffic30 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$124 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 108 over Red Eye River built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 108 over Red Eye River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does T 108 over Red Eye River carry?

About 30 vehicles per day (1986 count).

How long is T 108 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 108 over Red Eye River?

It is owned by the Town or Township Highway Agency.