US Bridges

Lrd Koelpin RD over Willow Harbor Creek

Good

Winnebago County, Wisconsin · 0.3M S JCT Ush 45 S · Structure no. B70028100000000

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
49 ft
1 main span
Daily traffic
141
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Koelpin RD over Willow Harbor Creek is a concrete slab carrying Lrd Koelpin RD over Willow Harbor Creek in Winnebago 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 141 vehicles a day, projected to reach 155 by 2043. The structure is 49 ft (14.9 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Koelpin RD
CrossesWillow Harbor Creek
Location0.3M S JCT Ush 45 S
RouteCity Street 0
Coordinates43.93584, -88.49335
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2022)
Projected traffic155 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Koelpin RD over Willow Harbor Creek built?

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

What condition is Lrd Koelpin RD over Willow Harbor 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 Koelpin RD over Willow Harbor Creek carry?

About 141 vehicles per day (2022 count).

How long is Lrd Koelpin RD over Willow Harbor Creek?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns Lrd Koelpin RD over Willow Harbor Creek?

It is owned by the Town or Township Highway Agency.