US Bridges

Cth-Cb over Unnamed Stream

Good

Winnebago County, Wisconsin · 0.23M S JCT Oakridge RD · Structure no. B70018400000000

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
5,330
2022 count
Owner
County
County Highway Agency

About this bridge

Cth-Cb over Unnamed Stream is a concrete continuous culvert carrying Cth-Cb over Unnamed Stream in Winnebago County, Wisconsin. It was built in 1999, so it is 26 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 8 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 29 ft (8.8 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth-Cb
CrossesUnnamed Stream
Location0.23M S JCT Oakridge RD
RouteCounty Highway 0CB
CountyWinnebago County
StateWisconsin
Coordinates44.18178, -88.50508
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 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-Cb over Unnamed Stream built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cth-Cb over Unnamed Stream 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-Cb over Unnamed Stream carry?

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

How long is Cth-Cb over Unnamed Stream?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns Cth-Cb over Unnamed Stream?

It is owned by the County Highway Agency.