US Bridges

Cth F over French Creek

Fair

Columbia County, Wisconsin · 0.6M S JCT Cth Cm · Structure no. B11009700000000

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
359
2022 count
Owner
County
County Highway Agency

About this bridge

Cth F over French Creek is a concrete slab carrying Cth F over French Creek in Columbia County, Wisconsin. It was built in 1991, so it is 34 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 359 vehicles a day, roughly 7% of them trucks, projected to reach 394 by 2043. The structure is 32 ft (9.9 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCth F
CrossesFrench Creek
Location0.6M S JCT Cth Cm
RouteCounty Highway 0F
CountyColumbia County
StateWisconsin
Coordinates43.62849, -89.41307
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2022)
Projected traffic394 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 F over French Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cth F over French Creek 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 July 2024.

How much traffic does Cth F over French Creek carry?

About 359 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Cth F over French Creek?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Cth F over French Creek?

It is owned by the County Highway Agency.