US Bridges

Lrd 9th ST RD over Spring Brook

Poor

Winnebago County, Wisconsin · 1.0M W JCT Cth Ff · Structure no. P70006300000000

Built
1932
93 years old, rebuilt 1960
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
32 ft
1 main span
Daily traffic
82
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 9th ST RD over Spring Brook is a concrete stringer/multi-beam or girder carrying Lrd 9th ST RD over Spring Brook in Winnebago County, Wisconsin. It was built in 1932 and reconstructed in 1960, so it is 93 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 3 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 82 vehicles a day, projected to reach 83 by 2043. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd 9th ST RD
CrossesSpring Brook
Location1.0M W JCT Cth Ff
RouteCity Street 0
Coordinates44.01133, -88.69552
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating44.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.5 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2022)
Projected traffic83 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$165,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 9th ST RD over Spring Brook built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1960.

What condition is Lrd 9th ST RD over Spring Brook 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 October 2024.

How much traffic does Lrd 9th ST RD over Spring Brook carry?

About 82 vehicles per day (2022 count).

How long is Lrd 9th ST RD over Spring Brook?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.5 m) and a deck 32 ft wide.

Who owns Lrd 9th ST RD over Spring Brook?

It is owned by the Town or Township Highway Agency.