US Bridges

Cth J over Mecan River

Good

Marquette County, Wisconsin · 0.6 M E JCT Cth N to Nort · Structure no. B39007000000000

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
1,566
2024 count
Owner
County
County Highway Agency

About this bridge

Cth J over Mecan River is a concrete slab carrying Cth J over Mecan River in Marquette County, Wisconsin. It was built in 2004, so it is 21 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,566 vehicles a day, roughly 10% of them trucks, projected to reach 1,632 by 2043. The structure is 47 ft (14.2 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth J
CrossesMecan River
Location0.6 M E JCT Cth N to Nort
RouteCounty Highway 0J
Coordinates43.86884, -89.22792
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,566 (2024)
Projected traffic1,632 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 J over Mecan River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Cth J over Mecan 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 August 2024.

How much traffic does Cth J over Mecan River carry?

About 1,566 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cth J over Mecan River?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns Cth J over Mecan River?

It is owned by the County Highway Agency.