US Bridges

Sth 78 over Kittleson Valley Creek

Good

Dane County, Wisconsin · 0.1M N JCT Cth H · Structure no. B13047400000000

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
770
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 78 over Kittleson Valley Creek is a concrete slab carrying Sth 78 over Kittleson Valley Creek in Dane County, Wisconsin. It was built in 1999, so it is 26 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 770 vehicles a day, roughly 14% of them trucks, projected to reach 924 by 2043. The structure is 39 ft (11.8 m) long and 37 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 78
CrossesKittleson Valley Creek
Location0.1M N JCT Cth H
RouteState Highway 78
Coordinates42.87031, -89.80882
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span36 ft (11 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2022)
Projected traffic924 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 78 over Kittleson Valley Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Sth 78 over Kittleson Valley Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Sth 78 over Kittleson Valley Creek carry?

About 770 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Sth 78 over Kittleson Valley Creek?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11 m) and a deck 37 ft wide.

Who owns Sth 78 over Kittleson Valley Creek?

It is owned by the State Highway Agency.