US Bridges

Sth 73 over Cawley Creek

Fair

Clark County, Wisconsin · 1.0M N JCT Cth C · Structure no. B10015800000000

Built
1936
89 years old, rebuilt 1983
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 73 over Cawley Creek is a steel stringer/multi-beam or girder carrying Sth 73 over Cawley Creek in Clark County, Wisconsin. It was built in 1936 and reconstructed in 1983, so it is 89 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 2,600 vehicles a day, roughly 7% of them trucks, projected to reach 3,760 by 2042. The structure is 134 ft (40.8 m) long and 36 ft wide. If it were closed, the detour would be 35.4 mi (57 km).

Location

Open in Google Maps
CarriesSth 73
CrossesCawley Creek
Location1.0M N JCT Cth C
RouteState Highway 73
CountyClark County
StateWisconsin
Coordinates44.6113, -90.57485
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span45 ft (13.8 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic3,760 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed35.4 mi (57 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 73 over Cawley Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1983.

What condition is Sth 73 over Cawley 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 June 2023.

How much traffic does Sth 73 over Cawley Creek carry?

About 2,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 73 over Cawley Creek?

The structure is 134 ft (40.8 m) long with a longest span of 45 ft (13.8 m) and a deck 36 ft wide.

Who owns Sth 73 over Cawley Creek?

It is owned by the State Highway Agency.