US Bridges

Cth Z over Hoyts Creek

Fair

Eau Claire County, Wisconsin · 0.1M N Sth 37 · Structure no. P18012100000000

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
155
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Z over Hoyts Creek is a wood or timber slab carrying Cth Z over Hoyts 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 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 155 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 1.9 mi (3 km).

CarriesCth Z
CrossesHoyts Creek
Location0.1M N Sth 37
RouteCounty Highway 0Z
Coordinates44.59992, -91.62997
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating59.4 US tons
Inventory rating41.1 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 (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2024)
Projected traffic168 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Z over Hoyts Creek built?

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

What condition is Cth Z over Hoyts 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 August 2024.

How much traffic does Cth Z over Hoyts Creek carry?

About 155 vehicles per day (2024 count).

How long is Cth Z over Hoyts 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 Z over Hoyts Creek?

It is owned by the County Highway Agency.