US Bridges

Cth N over Douglas Creek

Fair

Jackson County, Wisconsin · 0.5M West of JCT Cty H · Structure no. B27023700000000

Built
1936
89 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
360
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Douglas Creek is a concrete continuous culvert carrying Cth N over Douglas Creek in Jackson County, Wisconsin. It was built in 1936, so it is 89 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 360 vehicles a day, projected to reach 479 by 2042. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 20.5 mi (33 km).

CarriesCth N
CrossesDouglas Creek
Location0.5M West of JCT Cty H
RouteCounty Highway 0N
Coordinates44.1746, -91.02358
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating93.6 US tons
Inventory rating55.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.1 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 traffic360 (2022)
Projected traffic479 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 N over Douglas Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Cth N over Douglas 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 October 2023.

How much traffic does Cth N over Douglas Creek carry?

About 360 vehicles per day (2022 count).

How long is Cth N over Douglas Creek?

The structure is 27 ft (8.1 m) long with a longest span of 10 ft (3 m).

Who owns Cth N over Douglas Creek?

It is owned by the County Highway Agency.