US Bridges

Lrd 490th Ave over Isabelle Creek

Good

Pierce County, Wisconsin · 0.3M E JCT Cth C · Structure no. P47015900000000

Built
1917
108 years old, rebuilt 1984
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
87
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 490th Ave over Isabelle Creek is a steel stringer/multi-beam or girder carrying Lrd 490th Ave over Isabelle Creek in Pierce County, Wisconsin. It was built in 1917 and reconstructed in 1984, so it is 108 years old, older 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 87 vehicles a day, projected to reach 95 by 2043. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLrd 490th Ave
CrossesIsabelle Creek
Location0.3M E JCT Cth C
RouteCity Street 0
CountyPierce County
StateWisconsin
Coordinates44.71789, -92.45126
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourScour critical; foundations unstable for calculated scour conditions
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 rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.9 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 490th Ave over Isabelle Creek built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1984.

What condition is Lrd 490th Ave over Isabelle 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 April 2024.

How much traffic does Lrd 490th Ave over Isabelle Creek carry?

About 87 vehicles per day (2022 count).

How long is Lrd 490th Ave over Isabelle Creek?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Lrd 490th Ave over Isabelle Creek?

It is owned by the Town or Township Highway Agency.