US Bridges

Cth Cm over Neenah Creek

Poor

Columbia County, Wisconsin · 0.6M S JCT Cth T · Structure no. P11005200000000

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
44 ft
2 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Cm over Neenah Creek is a wood or timber slab carrying Cth Cm over Neenah Creek in Columbia County, Wisconsin. It was built in 1959, so it is 66 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.

It carries about 500 vehicles a day, projected to reach 550 by 2043. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth Cm
CrossesNeenah Creek
Location0.6M S JCT Cth T
RouteCounty Highway 0CM
CountyColumbia County
StateWisconsin
Coordinates43.63096, -89.43447
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length44 ft (13.4 m)
Longest span22 ft (6.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic550 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$254,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Cm over Neenah Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Cth Cm over Neenah 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 September 2024.

How much traffic does Cth Cm over Neenah Creek carry?

About 500 vehicles per day (2022 count).

How long is Cth Cm over Neenah Creek?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.6 m) and a deck 28 ft wide.

Who owns Cth Cm over Neenah Creek?

It is owned by the County Highway Agency.