US Bridges

T 804 over TH61 NB TH90 WB

Good

Winona County, Minnesota · 5.4 M SE N JCT TH61 TH90 · Structure no. 85013

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
300
2015 count
Owner
State
State Highway Agency

About this bridge

T 804 over TH61 NB TH90 WB is a prestressed concrete stringer/multi-beam or girder carrying T 804 over TH61 NB TH90 WB in Winona County, Minnesota. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, projected to reach 300 by 2035. The structure is 94 ft (28.8 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 804
CrossesTH61 NB TH90 WB
Location5.4 M SE N JCT TH61 TH90
RouteCounty Highway 804
Coordinates43.85956, -91.30817
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length94 ft (28.8 m)
Longest span91 ft (27.7 m)
Deck width61 ft (18.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic300 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T 804 over TH61 NB TH90 WB built?

It was built in 2015, making it 10 years old in 2025.

What condition is T 804 over TH61 NB TH90 WB 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 October 2024.

How much traffic does T 804 over TH61 NB TH90 WB carry?

About 300 vehicles per day (2015 count).

How long is T 804 over TH61 NB TH90 WB?

The structure is 94 ft (28.8 m) long with a longest span of 91 ft (27.7 m) and a deck 61 ft wide.

Who owns T 804 over TH61 NB TH90 WB?

It is owned by the State Highway Agency.