US Bridges

Cth N over Dill Creek

Fair

Clark County, Wisconsin · 1.1M W JCT Sth 13 · Structure no. B10003500000000

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
111 ft
2 main spans
Daily traffic
1,300
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Dill Creek is a concrete continuous slab carrying Cth N over Dill Creek in Clark County, Wisconsin. It was built in 1973, so it is 52 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 1,300 vehicles a day, projected to reach 854 by 2043. The structure is 111 ft (33.7 m) long and 42 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth N
CrossesDill Creek
Location1.1M W JCT Sth 13
RouteCounty Highway 0N
Coordinates44.90776, -90.33609
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length111 ft (33.7 m)
Longest span55 ft (16.8 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic854 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 Dill Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Cth N over Dill 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 June 2024.

How much traffic does Cth N over Dill Creek carry?

About 1,300 vehicles per day (2022 count).

How long is Cth N over Dill Creek?

The structure is 111 ft (33.7 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns Cth N over Dill Creek?

It is owned by the County Highway Agency.