US Bridges

T 243 over Shingobee River

FairPosted for load

Cass County, Minnesota · 0.1 MI SW of JCT TH 371 · Structure no. 11008

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
96 ft
3 main spans
Daily traffic
50
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 243 over Shingobee River is a wood or timber slab carrying T 243 over Shingobee River in Cass County, Minnesota. It was built in 1982, so it is 43 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: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2029. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesT 243
CrossesShingobee River
Location0.1 MI SW of JCT TH 371
RouteCounty Highway 243
CountyCass County
StateMinnesota
Coordinates47.06324, -94.56438
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1986)
Projected traffic50 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 243 over Shingobee River built?

It was built in 1982, making it 43 years old in 2025.

What condition is T 243 over Shingobee 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 August 2023.

How much traffic does T 243 over Shingobee River carry?

About 50 vehicles per day (1986 count).

How long is T 243 over Shingobee River?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns T 243 over Shingobee River?

It is owned by the Town or Township Highway Agency.