US Bridges

Lrd Spooner ST over SW Commuter Bike Trail

Good

Dane County, Wisconsin · 0.2M N of JCT Monroe ST · Structure no. B13051900000000

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Arch - Deck
Concrete
Length
64 ft
1 main span
Daily traffic
2,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Spooner ST over SW Commuter Bike Trail is a concrete arch - deck carrying Lrd Spooner ST over SW Commuter Bike Trail in Dane County, Wisconsin. It was built in 2001, so it is 24 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 2,500 vehicles a day, roughly 1% of them trucks, projected to reach 2,957 by 2043. The structure is 64 ft (19.6 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Spooner ST
CrossesSW Commuter Bike Trail
Location0.2M N of JCT Monroe ST
RouteCity Street 0
Coordinates43.06679, -89.41679
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.6 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic2,957 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$449,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd Spooner ST over SW Commuter Bike Trail built?

It was built in 2001, making it 24 years old in 2025.

What condition is Lrd Spooner ST over SW Commuter Bike Trail 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 September 2024.

How much traffic does Lrd Spooner ST over SW Commuter Bike Trail carry?

About 2,500 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Lrd Spooner ST over SW Commuter Bike Trail?

The structure is 64 ft (19.6 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Lrd Spooner ST over SW Commuter Bike Trail?

It is owned by the City or Municipal Highway Agency.