US Bridges

T 366 over N Br Mid Fk Zumbro River

Good

Goodhue County, Minnesota · 1.9 MI S of JCT Csah 11 · Structure no. 25623

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
49
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 366 over N Br Mid Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying T 366 over N Br Mid Fk Zumbro River in Goodhue County, Minnesota. It was built in 2023, so it is 2 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2042. The structure is 73 ft (22.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 366
CrossesN Br Mid Fk Zumbro River
Location1.9 MI S of JCT Csah 11
RouteCounty Highway 366
Coordinates44.19773, -92.81221
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.2 m)
Longest span73 ft (22.2 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 366 over N Br Mid Fk Zumbro River built?

It was built in 2023, making it 2 years old in 2025.

What condition is T 366 over N Br Mid Fk Zumbro River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does T 366 over N Br Mid Fk Zumbro River carry?

About 49 vehicles per day (2022 count).

How long is T 366 over N Br Mid Fk Zumbro River?

The structure is 73 ft (22.2 m) long with a longest span of 73 ft (22.2 m) and a deck 31 ft wide.

Who owns T 366 over N Br Mid Fk Zumbro River?

It is owned by the Town or Township Highway Agency.