US Bridges

T 97 over State Ditch # 68

FairPosted for load

Norman County, Minnesota · 0.1 MI S of JCT CR 147 · Structure no. L8774

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
9
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 97 over State Ditch # 68 is a prestressed concrete channel beam carrying T 97 over State Ditch # 68 in Norman County, Minnesota. It was built in 1967, so it is 58 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 9 vehicles a day, projected to reach 9 by 2029. The structure is 36 ft (11.1 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesT 97
CrossesState Ditch # 68
Location0.1 MI S of JCT CR 147
RouteCounty Highway 97
CountyNorman County
StateMinnesota
Coordinates47.36832, -96.64458
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (1986)
Projected traffic9 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 97 over State Ditch # 68 built?

It was built in 1967, making it 58 years old in 2025.

What condition is T 97 over State Ditch # 68 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 97 over State Ditch # 68 carry?

About 9 vehicles per day (1986 count).

How long is T 97 over State Ditch # 68?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 23 ft wide.

Who owns T 97 over State Ditch # 68?

It is owned by the Town or Township Highway Agency.