US Bridges

Cth U over Big Creek

Fair

Eau Claire County, Wisconsin · 0.1MI N of Cth Yyy · Structure no. P18007400000000

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
159
2024 count
Owner
County
County Highway Agency

About this bridge

Cth U over Big Creek is a wood or timber slab carrying Cth U over Big Creek in Eau Claire County, Wisconsin. It was built in 1964, so it is 61 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 159 vehicles a day, projected to reach 168 by 2043. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth U
CrossesBig Creek
Location0.1MI N of Cth Yyy
RouteCounty Highway 0U
Coordinates44.59733, -91.41772
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
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 alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2024)
Projected traffic168 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 U over Big Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Cth U over Big 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 U over Big Creek carry?

About 159 vehicles per day (2024 count).

How long is Cth U over Big Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Cth U over Big Creek?

It is owned by the County Highway Agency.