US Bridges

Cth Nn over S Fk Bad Axe River

Good

Vernon County, Wisconsin · 1.6M E JCT Cth N · Structure no. B62021100000000

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
71 ft
2 main spans
Daily traffic
127
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Nn over S Fk Bad Axe River is a concrete continuous slab carrying Cth Nn over S Fk Bad Axe River in Vernon 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 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 127 vehicles a day, roughly 10% of them trucks, projected to reach 139 by 2043. The structure is 71 ft (21.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth Nn
CrossesS Fk Bad Axe River
Location1.6M E JCT Cth N
RouteCounty Highway 0NN
Coordinates43.50395, -91.00347
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum 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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2022)
Projected traffic139 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nn over S Fk Bad Axe River built?

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

What condition is Cth Nn over S Fk Bad Axe 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 Nn over S Fk Bad Axe River carry?

About 127 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Cth Nn over S Fk Bad Axe River?

The structure is 71 ft (21.5 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns Cth Nn over S Fk Bad Axe River?

It is owned by the County Highway Agency.