US Bridges

T 235 over Tamarac River

Fair

Marshall County, Minnesota · 2.5 MI N of JCT Csah 5 · Structure no. 45535

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
132 ft
5 main spans
Daily traffic
8
1994 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 235 over Tamarac River is a wood or timber slab carrying T 235 over Tamarac River in Marshall 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 5 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 8 vehicles a day, projected to reach 8 by 2029. The structure is 132 ft (40.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 235
CrossesTamarac River
Location2.5 MI N of JCT Csah 5
RouteCounty Highway 235
Coordinates48.49018, -96.9116
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1994)
Projected traffic8 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 235 over Tamarac River built?

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

What condition is T 235 over Tamarac 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 November 2023.

How much traffic does T 235 over Tamarac River carry?

About 8 vehicles per day (1994 count).

How long is T 235 over Tamarac River?

The structure is 132 ft (40.2 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns T 235 over Tamarac River?

It is owned by the Town or Township Highway Agency.