US Bridges

Sth 33 over Babb Creek

Fair

Sauk County, Wisconsin · 5.2M E JCT Cth V · Structure no. B56009700000000

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
7,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 33 over Babb Creek is a concrete continuous culvert carrying Sth 33 over Babb Creek in Sauk County, Wisconsin. It was built in 1998, so it is 27 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 7,300 vehicles a day, roughly 3% of them trucks, projected to reach 8,760 by 2042. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSth 33
CrossesBabb Creek
Location5.2M E JCT Cth V
RouteState Highway 33
Coordinates43.53462, -90.02689
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2021)
Projected traffic8,760 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 33 over Babb Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Sth 33 over Babb 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 April 2023.

How much traffic does Sth 33 over Babb Creek carry?

About 7,300 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Sth 33 over Babb Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Sth 33 over Babb Creek?

It is owned by the State Highway Agency.