US Bridges

Cth Nn over S Fk Bad Axe River

Fair

Vernon County, Wisconsin · 0.1M E JCT Cth N · Structure no. B62011400000000

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
84 ft
2 main spans
Daily traffic
97
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 1990, so it is 35 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 97 vehicles a day, roughly 11% of them trucks, projected to reach 106 by 2043. The structure is 84 ft (25.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth Nn
CrossesS Fk Bad Axe River
Location0.1M E JCT Cth N
RouteCounty Highway 0NN
CountyVernon County
StateWisconsin
Coordinates43.50013, -91.02893
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length84 ft (25.5 m)
Longest span41 ft (12.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic106 by 2043
Trucks11%
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 1990, making it 35 years old in 2025.

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

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Cth Nn over S Fk Bad Axe River carry?

About 97 vehicles per day (2022 count), of which roughly 11% are trucks.

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

The structure is 84 ft (25.5 m) long with a longest span of 41 ft (12.5 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.