US Bridges

Cth-Bb over Drainage_ditch

Good

Winnebago County, Wisconsin · 0.9M W JCT Ush 41 · Structure no. B70009300000000

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
5,330
2022 count
Owner
County
County Highway Agency

About this bridge

Cth-Bb over Drainage_ditch is a concrete culvert carrying Cth-Bb over Drainage_ditch in Winnebago County, Wisconsin. It was built in 1979, so it is 46 years old, older 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 5,330 vehicles a day, projected to reach 5,863 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth-Bb
CrossesDrainage_ditch
Location0.9M W JCT Ush 41
RouteCounty Highway 0BB
Coordinates44.24408, -88.49223
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.8 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 traffic5,330 (2022)
Projected traffic5,863 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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-Bb over Drainage_ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth-Bb over Drainage_ditch 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 October 2023.

How much traffic does Cth-Bb over Drainage_ditch carry?

About 5,330 vehicles per day (2022 count).

How long is Cth-Bb over Drainage_ditch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Cth-Bb over Drainage_ditch?

It is owned by the County Highway Agency.