US Bridges

Lrd Main ST over Neenah Slough

Fair

Winnebago County, Wisconsin · 0.7M N JCT Sth 114 · Structure no. B70008900000000

Built
1977
48 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete Continuous
Length
39 ft
1 main span
Daily traffic
12,400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Main ST over Neenah Slough is a concrete continuous frame carrying Lrd Main ST over Neenah Slough in Winnebago County, Wisconsin. It was built in 1977, so it is 48 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 12,400 vehicles a day, projected to reach 17,160 by 2043. The structure is 39 ft (11.8 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLrd Main ST
CrossesNeenah Slough
Location0.7M N JCT Sth 114
RouteCity Street 0
CountyWinnebago County
StateWisconsin
Coordinates44.18875, -88.47502
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span36 ft (11 m)
Deck width66 ft (20.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2022)
Projected traffic17,160 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$391,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Main ST over Neenah Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is Lrd Main ST over Neenah Slough 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 November 2024.

How much traffic does Lrd Main ST over Neenah Slough carry?

About 12,400 vehicles per day (2022 count).

How long is Lrd Main ST over Neenah Slough?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11 m) and a deck 66 ft wide.

Who owns Lrd Main ST over Neenah Slough?

It is owned by the City or Municipal Highway Agency.