US Bridges

Lrd 450th Ave over Isabelle Creek

Fair

Pierce County, Wisconsin · .2 Mile E of Cty C · Structure no. P47016100000000

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
87
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 450th Ave over Isabelle Creek is a wood or timber slab carrying Lrd 450th Ave over Isabelle Creek in Pierce County, Wisconsin. It was built in 1983, so it is 42 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.

It carries about 87 vehicles a day, projected to reach 95 by 2043. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd 450th Ave
CrossesIsabelle Creek
Location.2 Mile E of Cty C
RouteCity Street 0
Coordinates44.70336, -92.45269
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2022)
Projected traffic95 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 450th Ave over Isabelle Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Lrd 450th Ave over Isabelle 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 April 2024.

How much traffic does Lrd 450th Ave over Isabelle Creek carry?

About 87 vehicles per day (2022 count).

How long is Lrd 450th Ave over Isabelle Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Lrd 450th Ave over Isabelle Creek?

It is owned by the Town or Township Highway Agency.