US Bridges

T 1024 over Otter Tail River

FairPosted for load

Otter Tail County, Minnesota · 1.7 MI NE of JCT Csah 1 · Structure no. 56522

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
88 ft
2 main spans
Daily traffic
43
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 1024 over Otter Tail River is a wood or timber stringer/multi-beam or girder carrying T 1024 over Otter Tail River in Otter Tail County, Minnesota. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 43 vehicles a day, projected to reach 43 by 2029. The structure is 88 ft (26.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 1024
CrossesOtter Tail River
Location1.7 MI NE of JCT Csah 1
RouteCounty Highway 1024
Coordinates46.31167, -95.97891
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating17.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span44 ft (13.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (1986)
Projected traffic43 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$128 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 1024 over Otter Tail River built?

It was built in 1977, making it 48 years old in 2025.

What condition is T 1024 over Otter Tail 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 1024 over Otter Tail River carry?

About 43 vehicles per day (1986 count).

How long is T 1024 over Otter Tail River?

The structure is 88 ft (26.8 m) long with a longest span of 44 ft (13.3 m) and a deck 34 ft wide.

Who owns T 1024 over Otter Tail River?

It is owned by the Town or Township Highway Agency.