US Bridges

Lrd 18th Ave over Br Rush River

Good

St. Croix County, Wisconsin · 0.3M W JCT Cth Y · Structure no. B55009300000000

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
114
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 18th Ave over Br Rush River is a prestressed concrete stringer/multi-beam or girder carrying Lrd 18th Ave over Br Rush River in St. Croix County, Wisconsin. It was built in 1985, so it is 40 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 114 vehicles a day, projected to reach 125 by 2043. The structure is 42 ft (12.9 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 18th Ave
CrossesBr Rush River
Location0.3M W JCT Cth Y
RouteCity Street 0
CountySt. Croix County
StateWisconsin
Coordinates44.88756, -92.41799
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length42 ft (12.9 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2022)
Projected traffic125 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 18th Ave over Br Rush River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Lrd 18th Ave over Br Rush River 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 November 2024.

How much traffic does Lrd 18th Ave over Br Rush River carry?

About 114 vehicles per day (2022 count).

How long is Lrd 18th Ave over Br Rush River?

The structure is 42 ft (12.9 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Lrd 18th Ave over Br Rush River?

It is owned by the Town or Township Highway Agency.