US Bridges

Lrd Madison ST over Six Mile Creek

Fair

Dane County, Wisconsin · 0.2M N JCT Sth 19 · Structure no. B13047100000000

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
3,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Madison ST over Six Mile Creek is a concrete slab carrying Lrd Madison ST over Six Mile Creek in Dane County, Wisconsin. It was built in 1996, so it is 29 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 3,960 by 2042. The structure is 36 ft (11.1 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Madison ST
CrossesSix Mile Creek
Location0.2M N JCT Sth 19
RouteCity Street 0
Coordinates43.19358, -89.45181
Functional classUrban Collector

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.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width53 ft (16.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic3,960 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Madison ST over Six Mile Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lrd Madison ST 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 October 2024.

How much traffic does Lrd Madison ST over Six Mile Creek carry?

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

How long is Lrd Madison ST over Six Mile Creek?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 53 ft wide.

Who owns Lrd Madison ST over Six Mile Creek?

It is owned by the City or Municipal Highway Agency.