US Bridges

Cth I over Clear Creek

Fair

Eau Claire County, Wisconsin · 0.2MI N of Cth Hh · Structure no. B18008400000000

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
38 ft
3 main spans
Daily traffic
367
2024 count
Owner
County
County Highway Agency

About this bridge

Cth I over Clear Creek is a steel culvert carrying Cth I over Clear Creek in Eau Claire County, Wisconsin. It was built in 1974, so it is 51 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 5 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 38 ft (11.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth I
CrossesClear Creek
Location0.2MI N of Cth Hh
RouteCounty Highway 0I
CountyEau Claire County
StateWisconsin
Coordinates44.65644, -91.42258
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans3
Design loadH 20
Structure length38 ft (11.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed5 mi (8 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 I over Clear Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Cth I over Clear 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 I over Clear Creek carry?

About 367 vehicles per day (2024 count).

How long is Cth I over Clear Creek?

The structure is 38 ft (11.7 m) long with a longest span of 11 ft (3.3 m).

Who owns Cth I over Clear Creek?

It is owned by the County Highway Agency.