US Bridges

Lrd 30th Ave over Br Rush River

Poor

St. Croix County, Wisconsin · 0.8M E JCT Cth T · Structure no. P55091500000000

Built
1950
75 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 30th Ave over Br Rush River is a steel stringer/multi-beam or girder carrying Lrd 30th Ave over Br Rush River in St. Croix County, Wisconsin. It was built in 1950, so it is 75 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, projected to reach 102 by 2043. The structure is 27 ft (8.1 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd 30th Ave
CrossesBr Rush River
Location0.8M E JCT Cth T
RouteCity Street 0
Coordinates44.90553, -92.41994
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic102 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$145,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 30th Ave over Br Rush River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Lrd 30th Ave over Br Rush River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Lrd 30th Ave over Br Rush River carry?

About 100 vehicles per day (2022 count).

How long is Lrd 30th Ave over Br Rush River?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Lrd 30th Ave over Br Rush River?

It is owned by the Town or Township Highway Agency.