US Bridges

Lrd Observatory DR over Willow Creek

Good

Dane County, Wisconsin · 0.3M North of Cth Ms · Structure no. B13061000000000

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
1
2022 count
Owner
State
Other State Agency

About this bridge

Lrd Observatory DR over Willow Creek is a concrete slab carrying Lrd Observatory DR over Willow Creek in Dane County, Wisconsin. It was built in 2009, so it is 16 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 1 vehicles a day, projected to reach 1 by 2043. The structure is 37 ft (11.4 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd Observatory DR
CrossesWillow Creek
Location0.3M North of Cth Ms
RouteCity Street 0
Coordinates43.0765, -89.42158
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2022)
Projected traffic1 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Observatory DR over Willow Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Lrd Observatory DR over Willow 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 Lrd Observatory DR over Willow Creek carry?

About 1 vehicles per day (2022 count).

How long is Lrd Observatory DR over Willow Creek?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 38 ft wide.

Who owns Lrd Observatory DR over Willow Creek?

It is owned by the Other State Agency.