US Bridges

T 368 over Lawrence Creek

FairPosted for load

Chisago County, Minnesota · In Franconia · Structure no. L2385

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
18
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 368 over Lawrence Creek is a prestressed concrete tee beam carrying T 368 over Lawrence Creek in Chisago County, Minnesota. It was built in 1963, so it is 62 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 18 vehicles a day, projected to reach 18 by 2029. The structure is 24 ft (7.3 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT 368
CrossesLawrence Creek
LocationIn Franconia
RouteCounty Highway 368
Coordinates45.36962, -92.69524
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (1970)
Projected traffic18 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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$425 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 368 over Lawrence Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is T 368 over Lawrence Creek 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 September 2023.

How much traffic does T 368 over Lawrence Creek carry?

About 18 vehicles per day (1970 count).

How long is T 368 over Lawrence Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns T 368 over Lawrence Creek?

It is owned by the Town or Township Highway Agency.