US Bridges

Lrd S Webb Ave over Baraboo River

Fair

Sauk County, Wisconsin · 0.1M S JCT Sth 23 · Structure no. P56071800000000

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
670
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S Webb Ave over Baraboo River is a concrete continuous slab carrying Lrd S Webb Ave over Baraboo River in Sauk County, Wisconsin. It was built in 1984, so it is 41 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 670 vehicles a day, projected to reach 804 by 2041. The structure is 131 ft (39.8 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd S Webb Ave
CrossesBaraboo River
Location0.1M S JCT Sth 23
RouteCity Street 0
Coordinates43.52961, -90.01196
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.8 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2024)
Projected traffic804 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 S Webb Ave over Baraboo River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Lrd S Webb Ave 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 S Webb Ave over Baraboo River carry?

About 670 vehicles per day (2024 count).

How long is Lrd S Webb Ave over Baraboo River?

The structure is 131 ft (39.8 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns Lrd S Webb Ave over Baraboo River?

It is owned by the City or Municipal Highway Agency.