US Bridges

T 370 over N Br Mid Fk Zumbro River

Fair

Goodhue County, Minnesota · 0.1 MI S of JCT Csah 11 · Structure no. 25552

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
16
1985 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 370 over N Br Mid Fk Zumbro River is a prestressed concrete tee beam carrying T 370 over N Br Mid Fk Zumbro River in Goodhue County, Minnesota. It was built in 1986, so it is 39 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 16 vehicles a day, projected to reach 16 by 2029. The structure is 90 ft (27.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT 370
CrossesN Br Mid Fk Zumbro River
Location0.1 MI S of JCT Csah 11
RouteCounty Highway 370
CountyGoodhue County
StateMinnesota
Coordinates44.21753, -92.72127
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating39.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length90 ft (27.3 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (1985)
Projected traffic16 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 370 over N Br Mid Fk Zumbro River built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 370 over N Br Mid Fk Zumbro 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 November 2023.

How much traffic does T 370 over N Br Mid Fk Zumbro River carry?

About 16 vehicles per day (1985 count).

How long is T 370 over N Br Mid Fk Zumbro River?

The structure is 90 ft (27.3 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns T 370 over N Br Mid Fk Zumbro River?

It is owned by the Town or Township Highway Agency.