US Bridges

T 247 over Tamarac River

FairClosed to traffic

Marshall County, Minnesota · 2.5 MI N of JCT Csah 5 · Structure no. 45534

Built
1980
45 years old
Condition
Fair
inspected October 2016
Type
Slab
Wood or Timber
Length
132 ft
5 main spans
Daily traffic
24
1994 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 247 over Tamarac River is a wood or timber slab carrying T 247 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. Its operating status is: closed to all traffic.

It carries about 24 vehicles a day, projected to reach 24 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 247
CrossesTamarac River
Location2.5 MI N of JCT Csah 5
RouteCounty Highway 247
Coordinates48.49293, -96.99867
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2016
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating11.5 US tons
Inventory rating7.6 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 traffic24 (1994)
Projected traffic24 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 247 over Tamarac River built?

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

What condition is T 247 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 2016.

How much traffic does T 247 over Tamarac River carry?

About 24 vehicles per day (1994 count).

How long is T 247 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 247 over Tamarac River?

It is owned by the Town or Township Highway Agency.