US Bridges

Cth J over Fall Creek

Fair

Eau Claire County, Wisconsin · 0.3MI W of Cth K · Structure no. P18070100000000

Built
1940
85 years old, rebuilt 1970
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
27 ft
1 main span
Daily traffic
367
2024 count
Owner
County
County Highway Agency

About this bridge

Cth J over Fall Creek is a wood or timber slab carrying Cth J over Fall Creek in Eau Claire County, Wisconsin. It was built in 1940 and reconstructed in 1970, so it is 85 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 367 vehicles a day, projected to reach 393 by 2043. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth J
CrossesFall Creek
Location0.3MI W of Cth K
RouteCounty Highway 0J
Coordinates44.75619, -91.28306
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating70.2 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic367 (2024)
Projected traffic393 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth J over Fall Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1970.

What condition is Cth J over Fall 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 2024.

How much traffic does Cth J over Fall Creek carry?

About 367 vehicles per day (2024 count).

How long is Cth J over Fall Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns Cth J over Fall Creek?

It is owned by the County Highway Agency.