US Bridges

Cth N over Little Lemonweir River

Good

Monroe County, Wisconsin · 0.4M S JCT Cth a · Structure no. B41031100000000

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
71 ft
2 main spans
Daily traffic
460
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Little Lemonweir River is a concrete continuous slab carrying Cth N over Little Lemonweir River in Monroe County, Wisconsin. It was built in 2019, so it is 6 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 460 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2039. The structure is 71 ft (21.5 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth N
CrossesLittle Lemonweir River
Location0.4M S JCT Cth a
RouteCounty Highway 0N
Coordinates43.87238, -90.35703
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length71 ft (21.5 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2022)
Projected traffic500 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Cth N over Little Lemonweir River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Cth N over Little Lemonweir 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 June 2023.

How much traffic does Cth N over Little Lemonweir River carry?

About 460 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth N over Little Lemonweir River?

The structure is 71 ft (21.5 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Cth N over Little Lemonweir River?

It is owned by the County Highway Agency.