US Bridges

Cth Kb over Cnw RR

Fair

Eau Claire County, Wisconsin · 0.8M N Ush 12 · Structure no. B18006000000000

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
2,562
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Kb over Cnw RR is a steel continuous stringer/multi-beam or girder carrying Cth Kb over Cnw RR in Eau Claire County, Wisconsin. It was built in 1963, so it is 62 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 2,562 vehicles a day, projected to reach 2,818 by 2043. The structure is 124 ft (37.9 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth Kb
CrossesCnw RR
Location0.8M N Ush 12
RouteCounty Highway 0KB
CountyEau Claire County
StateWisconsin
Coordinates44.80031, -91.40528
Functional classUrban 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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.9 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,562 (2024)
Projected traffic2,818 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth Kb over Cnw RR built?

It was built in 1963, making it 62 years old in 2025.

What condition is Cth Kb over Cnw RR 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 August 2024.

How much traffic does Cth Kb over Cnw RR carry?

About 2,562 vehicles per day (2024 count).

How long is Cth Kb over Cnw RR?

The structure is 124 ft (37.9 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns Cth Kb over Cnw RR?

It is owned by the County Highway Agency.