US Bridges

Cth N over Butler Creek

PoorPosted for load

Dodge County, Wisconsin · 1.2M E JCT Cth P · Structure no. P14092000000000

Built
1949
76 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
880
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Butler Creek is a steel stringer/multi-beam or girder carrying Cth N over Butler Creek in Dodge County, Wisconsin. It was built in 1949, so it is 76 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 880 vehicles a day, projected to reach 1,056 by 2043. The structure is 43 ft (13.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth N
CrossesButler Creek
Location1.2M E JCT Cth P
RouteCounty Highway 0N
Coordinates43.34699, -88.43691
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2022)
Projected traffic1,056 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$281,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth N over Butler Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is Cth N over Butler Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Cth N over Butler Creek carry?

About 880 vehicles per day (2022 count).

How long is Cth N over Butler Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Cth N over Butler Creek?

It is owned by the County Highway Agency.