US Bridges

Cth D over Knights CR

Good

Dunn County, Wisconsin · On Cth D · Structure no. B17021200000000

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
159
2024 count
Owner
County
County Highway Agency

About this bridge

Cth D over Knights CR is a prestressed concrete stringer/multi-beam or girder carrying Cth D over Knights CR in Dunn County, Wisconsin. It was built in 2013, so it is 12 years old, younger than the Wisconsin average of 40.3 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 159 vehicles a day, roughly 5% of them trucks, projected to reach 166 by 2043. The structure is 63 ft (19.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth D
CrossesKnights CR
LocationOn Cth D
RouteCounty Highway 0D
Coordinates44.78789, -92.02966
Functional classRural Minor Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2024)
Projected traffic166 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Cth D over Knights CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Cth D over Knights CR 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 July 2024.

How much traffic does Cth D over Knights CR carry?

About 159 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Cth D over Knights CR?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Cth D over Knights CR?

It is owned by the County Highway Agency.