US Bridges

T 83 over N Fk Watonwan River

Good

Watonwan County, Minnesota · 0.8 MI E of JCT Csah 18 · Structure no. 83527

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
38
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 83 over N Fk Watonwan River is a prestressed concrete tee beam carrying T 83 over N Fk Watonwan River in Watonwan County, Minnesota. It was built in 1987, so it is 38 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 38 vehicles a day, projected to reach 38 by 2029. The structure is 61 ft (18.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 83
CrossesN Fk Watonwan River
Location0.8 MI E of JCT Csah 18
RouteCounty Highway 83
Coordinates44.09458, -94.72424
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (1986)
Projected traffic38 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 83 over N Fk Watonwan River built?

It was built in 1987, making it 38 years old in 2025.

What condition is T 83 over N Fk Watonwan 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 October 2023.

How much traffic does T 83 over N Fk Watonwan River carry?

About 38 vehicles per day (1986 count).

How long is T 83 over N Fk Watonwan River?

The structure is 61 ft (18.7 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns T 83 over N Fk Watonwan River?

It is owned by the Town or Township Highway Agency.