US Bridges

T 326 over Le Sueur River

Fair

Blue Earth County, Minnesota · 0.6 MI S of JCT Csah 15 · Structure no. 07541

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
44
1976 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 326 over Le Sueur River is a steel continuous stringer/multi-beam or girder carrying T 326 over Le Sueur River in Blue Earth 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 6 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 44 vehicles a day, projected to reach 44 by 2029. The structure is 170 ft (51.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 326
CrossesLe Sueur River
Location0.6 MI S of JCT Csah 15
RouteCounty Highway 326
Coordinates44.07122, -93.81837
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.9 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (1976)
Projected traffic44 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 326 over Le Sueur River built?

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

What condition is T 326 over Le Sueur 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 2024.

How much traffic does T 326 over Le Sueur River carry?

About 44 vehicles per day (1976 count).

How long is T 326 over Le Sueur River?

The structure is 170 ft (51.9 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns T 326 over Le Sueur River?

It is owned by the Town or Township Highway Agency.