US Bridges

Sth 19-STH 113 over Six Mile Creek

FairPosted for load

Dane County, Wisconsin · 0.7M E JCT Sth 113 to N · Structure no. B13018800000000

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
14,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 19-STH 113 over Six Mile Creek is a concrete continuous culvert carrying Sth 19-STH 113 over Six Mile Creek in Dane County, Wisconsin. It was built in 1960, so it is 65 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 14,300 vehicles a day, roughly 5% of them trucks, projected to reach 17,160 by 2042. The structure is 26 ft (8 m) long. If it were closed, the detour would be 51 mi (82 km).

CarriesSth 19-STH 113
CrossesSix Mile Creek
Location0.7M E JCT Sth 113 to N
RouteState Highway 19
Coordinates43.19181, -89.44752
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2022)
Projected traffic17,160 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 19-STH 113 over Six Mile Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Sth 19-STH 113 over Six Mile 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 January 2024.

How much traffic does Sth 19-STH 113 over Six Mile Creek carry?

About 14,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 19-STH 113 over Six Mile Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 19-STH 113 over Six Mile Creek?

It is owned by the State Highway Agency.