US Bridges

Cth D over Hay Creek

Fair

Eau Claire County, Wisconsin · 0.7M E Cth X · Structure no. B18008300000000

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
86 ft
2 main spans
Daily traffic
672
2024 count
Owner
County
County Highway Agency

About this bridge

Cth D over Hay Creek is a concrete continuous slab carrying Cth D over Hay 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 672 vehicles a day, projected to reach 732 by 2043. The structure is 86 ft (26.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth D
CrossesHay Creek
Location0.7M E Cth X
RouteCounty Highway 0D
Coordinates44.82911, -91.09058
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
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length86 ft (26.3 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic672 (2024)
Projected traffic732 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 D over Hay Creek built?

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

What condition is Cth D over Hay 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 September 2024.

How much traffic does Cth D over Hay Creek carry?

About 672 vehicles per day (2024 count).

How long is Cth D over Hay Creek?

The structure is 86 ft (26.3 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns Cth D over Hay Creek?

It is owned by the County Highway Agency.