US Bridges

Cth N over Mecan River

Good

Marquette County, Wisconsin · 2.0M N JCT Cth J to E · Structure no. B39005400000000

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
556
2024 count
Owner
County
County Highway Agency

About this bridge

Cth N over Mecan River is a prestressed concrete stringer/multi-beam or girder carrying Cth N over Mecan River in Marquette County, Wisconsin. It was built in 1999, so it is 26 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 556 vehicles a day, projected to reach 584 by 2043. The structure is 62 ft (18.8 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth N
CrossesMecan River
Location2.0M N JCT Cth J to E
RouteCounty Highway 0N
Coordinates43.89122, -89.25372
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
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span59 ft (18 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic556 (2024)
Projected traffic584 by 2043
Trucks0%
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 Mecan River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cth N 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 N over Mecan River carry?

About 556 vehicles per day (2024 count).

How long is Cth N over Mecan River?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns Cth N over Mecan River?

It is owned by the County Highway Agency.