US Bridges

Cth M over Br. South Fork Lemonweir

Good

Monroe County, Wisconsin · 1.1 M South of HWY 16 · Structure no. B41031400000000

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Slab
Wood or Timber
Length
23 ft
1 main span
Daily traffic
700
2021 count
Owner
County
County Highway Agency

About this bridge

Cth M over Br. South Fork Lemonweir is a wood or timber slab carrying Cth M over Br. South Fork Lemonweir in Monroe County, Wisconsin. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, projected to reach 840 by 2041. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth M
CrossesBr. South Fork Lemonweir
Location1.1 M South of HWY 16
RouteCounty Highway 0M
Coordinates43.93913, -90.53943
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic840 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 M over Br. South Fork Lemonweir built?

It was built in 2017, making it 8 years old in 2025.

What condition is Cth M over Br. South Fork Lemonweir 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 2024.

How much traffic does Cth M over Br. South Fork Lemonweir carry?

About 700 vehicles per day (2021 count).

How long is Cth M over Br. South Fork Lemonweir?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Cth M over Br. South Fork Lemonweir?

It is owned by the County Highway Agency.