US Bridges

Sth 23 over S Br Neenah Creek

Good

Marquette County, Wisconsin · 0.3M E JCT Cth Aa · Structure no. B39003700000000

Built
1981
44 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 23 over S Br Neenah Creek is a concrete continuous culvert carrying Sth 23 over S Br Neenah Creek in Marquette County, Wisconsin. It was built in 1981, so it is 44 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 1,800 vehicles a day, roughly 4% of them trucks, projected to reach 3,740 by 2042. The structure is 26 ft (8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 23
CrossesS Br Neenah Creek
Location0.3M E JCT Cth Aa
RouteState Highway 23
Coordinates43.65278, -89.58603
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic3,740 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 23 over S Br Neenah Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 23 over S Br Neenah 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 June 2023.

How much traffic does Sth 23 over S Br Neenah Creek carry?

About 1,800 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Sth 23 over S Br Neenah Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 23 over S Br Neenah Creek?

It is owned by the State Highway Agency.