US Bridges

CR 112 over Watonwan River

Good

Watonwan County, Minnesota · 0.2 MI S of JCT Csah 3 · Structure no. 83516

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
135
2016 count
Owner
County
County Highway Agency

About this bridge

CR 112 over Watonwan River is a prestressed concrete tee beam carrying CR 112 over Watonwan River in Watonwan County, Minnesota. It was built in 1979, so it is 46 years old, older 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 135 vehicles a day, projected to reach 135 by 2035. The structure is 110 ft (33.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 112
CrossesWatonwan River
Location0.2 MI S of JCT Csah 3
RouteCounty Highway 112
Coordinates44.06247, -94.54939
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating71.1 US tons
Inventory rating42.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length110 ft (33.6 m)
Longest span36 ft (11.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2016)
Projected traffic135 by 2035
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 112 over Watonwan River built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR 112 over 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 CR 112 over Watonwan River carry?

About 135 vehicles per day (2016 count).

How long is CR 112 over Watonwan River?

The structure is 110 ft (33.6 m) long with a longest span of 36 ft (11.1 m) and a deck 35 ft wide.

Who owns CR 112 over Watonwan River?

It is owned by the County Highway Agency.