US Bridges

Cth D over French Creek

Fair

Grant County, Wisconsin · 1.4M N JCT Cth H · Structure no. B22005400000000

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
600
2022 count
Owner
County
County Highway Agency

About this bridge

Cth D over French Creek is a concrete continuous culvert carrying Cth D over French Creek in Grant County, Wisconsin. It was built in 1974, so it is 51 years old, older 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 6 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 600 vehicles a day, projected to reach 720 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCth D
CrossesFrench Creek
Location1.4M N JCT Cth H
RouteCounty Highway 0D
Coordinates42.63992, -90.47683
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating57.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic720 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 D over French Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Cth D 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 September 2024.

How much traffic does Cth D over French Creek carry?

About 600 vehicles per day (2022 count).

How long is Cth D over French Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Cth D over French Creek?

It is owned by the County Highway Agency.