US Bridges

Sth 23 over Dell Creek Trib.

Fair

Sauk County, Wisconsin · At Dell Creek Trib. · Structure no. B56017900000000

Built
2006
19 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 23 over Dell Creek Trib. is a concrete slab carrying Sth 23 over Dell Creek Trib. in Sauk County, Wisconsin. It was built in 2006, so it is 19 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 3,300 vehicles a day, projected to reach 3,400 by 2043. The structure is 47 ft (14.2 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSth 23
CrossesDell Creek Trib.
LocationAt Dell Creek Trib.
RouteState Highway 23
Coordinates43.54742, -89.85008
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic3,400 by 2043
Trucks0%
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 23 over Dell Creek Trib. built?

It was built in 2006, making it 19 years old in 2025.

What condition is Sth 23 over Dell Creek Trib. 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 August 2024.

How much traffic does Sth 23 over Dell Creek Trib. carry?

About 3,300 vehicles per day (2022 count).

How long is Sth 23 over Dell Creek Trib.?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 47 ft wide.

Who owns Sth 23 over Dell Creek Trib.?

It is owned by the State Highway Agency.