US Bridges

Lrd Ash ST over Baraboo River

Fair

Sauk County, Wisconsin · 0.1M S JCT Sth 113 · Structure no. B56011500000000

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
153 ft
2 main spans
Daily traffic
2,800
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Ash ST over Baraboo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Ash ST over Baraboo River in Sauk County, Wisconsin. It was built in 1992, so it is 33 years old, younger 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 6 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 2,800 vehicles a day, projected to reach 3,360 by 2041. The structure is 153 ft (46.7 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLrd Ash ST
CrossesBaraboo River
Location0.1M S JCT Sth 113
RouteCity Street 0
CountySauk County
StateWisconsin
Coordinates43.46627, -89.74054
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 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 length153 ft (46.7 m)
Longest span75 ft (23 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2024)
Projected traffic3,360 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Ash ST over Baraboo River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lrd Ash ST 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 Ash ST over Baraboo River carry?

About 2,800 vehicles per day (2024 count).

How long is Lrd Ash ST over Baraboo River?

The structure is 153 ft (46.7 m) long with a longest span of 75 ft (23 m) and a deck 50 ft wide.

Who owns Lrd Ash ST over Baraboo River?

It is owned by the City or Municipal Highway Agency.