US Bridges

Cth F/Town Line Ro over Willow Spring Creek

Fair

Waukesha County, Wisconsin · 0.45 MI S JCT Cth W · Structure no. B67039100000000

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
13,200
2022 count
Owner
County
County Highway Agency

About this bridge

Cth F/Town Line Ro over Willow Spring Creek is a concrete culvert carrying Cth F/Town Line Ro over Willow Spring Creek in Waukesha County, Wisconsin. It was built in 1970 and reconstructed in 2008, so it is 55 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 13,200 vehicles a day, projected to reach 15,840 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCth F/Town Line Ro
CrossesWillow Spring Creek
Location0.45 MI S JCT Cth W
RouteCounty Highway 0F
CountyWaukesha County
StateWisconsin
Coordinates43.13515, -88.1845
Functional classRural Principal Arterial - Other

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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2022)
Projected traffic15,840 by 2042
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 F/Town Line Ro over Willow Spring Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.

What condition is Cth F/Town Line Ro over Willow Spring 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 F/Town Line Ro over Willow Spring Creek carry?

About 13,200 vehicles per day (2022 count).

How long is Cth F/Town Line Ro over Willow Spring Creek?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Cth F/Town Line Ro over Willow Spring Creek?

It is owned by the County Highway Agency.