US Bridges

T 167 over Tamarac River

Fair

Marshall County, Minnesota · 0.6 MI S of JCT Csah 6 · Structure no. 45524

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
28
1994 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 167 over Tamarac River is a prestressed concrete channel beam carrying T 167 over Tamarac River in Marshall County, Minnesota. It was built in 1978, so it is 47 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 28 vehicles a day, projected to reach 28 by 2029. The structure is 93 ft (28.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 167
CrossesTamarac River
Location0.6 MI S of JCT Csah 6
RouteCounty Highway 167
CountyMarshall County
StateMinnesota
Coordinates48.43392, -96.60609
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating45.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (1994)
Projected traffic28 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$120 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 167 over Tamarac River built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 167 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 October 2023.

How much traffic does T 167 over Tamarac River carry?

About 28 vehicles per day (1994 count).

How long is T 167 over Tamarac River?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns T 167 over Tamarac River?

It is owned by the Town or Township Highway Agency.