US Bridges

Cth F over Knapp Creek

Good

Richland County, Wisconsin · 0.8M S JCT Cth S · Structure no. B52000900000000

Built
1953
72 years old, rebuilt 2012
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
187
2022 count
Owner
County
County Highway Agency

About this bridge

Cth F over Knapp Creek is a steel continuous stringer/multi-beam or girder carrying Cth F over Knapp Creek in Richland County, Wisconsin. It was built in 1953 and reconstructed in 2012, so it is 72 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 187 vehicles a day, projected to reach 205 by 2043. The structure is 134 ft (40.7 m) long and 29 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth F
CrossesKnapp Creek
Location0.8M S JCT Cth S
RouteCounty Highway 0F
CountyRichland County
StateWisconsin
Coordinates43.24833, -90.62778
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length134 ft (40.7 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187 (2022)
Projected traffic205 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 F over Knapp Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2012.

What condition is Cth F over Knapp Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Cth F over Knapp Creek carry?

About 187 vehicles per day (2022 count).

How long is Cth F over Knapp Creek?

The structure is 134 ft (40.7 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns Cth F over Knapp Creek?

It is owned by the County Highway Agency.