US Bridges

Cth H over N Eau Claire River

Good

Eau Claire County, Wisconsin · 0.4M S of Cth Mm · Structure no. B18000500000000

Built
1954
71 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
145 ft
3 main spans
Daily traffic
356
2024 count
Owner
County
County Highway Agency

About this bridge

Cth H over N Eau Claire River is a steel continuous stringer/multi-beam or girder carrying Cth H over N Eau Claire River in Eau Claire County, Wisconsin. It was built in 1954, so it is 71 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 356 vehicles a day, projected to reach 470 by 2043. The structure is 145 ft (44.2 m) long and 29 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesCth H
CrossesN Eau Claire River
Location0.4M S of Cth Mm
RouteCounty Highway 0H
Coordinates44.82378, -90.94219
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating21.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span54 ft (16.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic356 (2024)
Projected traffic470 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 H over N Eau Claire River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Cth H over N Eau Claire River 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 September 2024.

How much traffic does Cth H over N Eau Claire River carry?

About 356 vehicles per day (2024 count).

How long is Cth H over N Eau Claire River?

The structure is 145 ft (44.2 m) long with a longest span of 54 ft (16.5 m) and a deck 29 ft wide.

Who owns Cth H over N Eau Claire River?

It is owned by the County Highway Agency.