US Bridges

Sth 58 over Cazenovia Branch

Fair

Sauk County, Wisconsin · 0.1M N JCT Cth G to W · Structure no. B56001700000000

Built
1953
72 years old, rebuilt 2005
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
85 ft
2 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 58 over Cazenovia Branch is a steel continuous stringer/multi-beam or girder carrying Sth 58 over Cazenovia Branch in Sauk County, Wisconsin. It was built in 1953 and reconstructed in 2005, so it is 72 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 1,400 vehicles a day, roughly 11% of them trucks, projected to reach 1,680 by 2041. The structure is 85 ft (25.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSth 58
CrossesCazenovia Branch
Location0.1M N JCT Cth G to W
RouteState Highway 58
CountySauk County
StateWisconsin
Coordinates43.54056, -90.17003
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length85 ft (25.8 m)
Longest span42 ft (12.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic1,680 by 2041
Trucks11%
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

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 58 over Cazenovia Branch built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2005.

What condition is Sth 58 over Cazenovia Branch 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 58 over Cazenovia Branch carry?

About 1,400 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Sth 58 over Cazenovia Branch?

The structure is 85 ft (25.8 m) long with a longest span of 42 ft (12.9 m) and a deck 32 ft wide.

Who owns Sth 58 over Cazenovia Branch?

It is owned by the State Highway Agency.