US Bridges

Lrd 2nd Ave-Shaw S over Baraboo River

Fair

Sauk County, Wisconsin · 0.3M S JCT Sth 33 · Structure no. B56005700000000

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
143 ft
2 main spans
Daily traffic
2,200
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd 2nd Ave-Shaw S over Baraboo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd 2nd Ave-Shaw S over Baraboo River in Sauk County, Wisconsin. It was built in 1976, so it is 49 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 2,200 vehicles a day, projected to reach 2,640 by 2041. The structure is 143 ft (43.5 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd 2nd Ave-Shaw S
CrossesBaraboo River
Location0.3M S JCT Sth 33
RouteCity Street 0
CountySauk County
StateWisconsin
Coordinates43.47104, -89.75923
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
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 rating75.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length143 ft (43.5 m)
Longest span71 ft (21.6 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2024)
Projected traffic2,640 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lrd 2nd Ave-Shaw S over Baraboo River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Lrd 2nd Ave-Shaw S over Baraboo River 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 Lrd 2nd Ave-Shaw S over Baraboo River carry?

About 2,200 vehicles per day (2024 count).

How long is Lrd 2nd Ave-Shaw S over Baraboo River?

The structure is 143 ft (43.5 m) long with a longest span of 71 ft (21.6 m) and a deck 37 ft wide.

Who owns Lrd 2nd Ave-Shaw S over Baraboo River?

It is owned by the City or Municipal Highway Agency.