US Bridges

Sth Old Sth 29/ ST over West Branch of Suamico R

Good

Brown County, Wisconsin · 0.2M SE Sth 156/CTH W · Structure no. B05043500000000

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sth Old Sth 29/ ST over West Branch of Suamico R is a concrete culvert carrying Sth Old Sth 29/ ST over West Branch of Suamico R in Brown County, Wisconsin. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, projected to reach 2,040 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSth Old Sth 29/ ST
CrossesWest Branch of Suamico R
Location0.2M SE Sth 156/CTH W
RouteState Highway 0
CountyBrown County
StateWisconsin
Coordinates44.59831, -88.24247
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,040 by 2042
Trucks0%
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 Old Sth 29/ ST over West Branch of Suamico R built?

It was built in 2017, making it 8 years old in 2025.

What condition is Sth Old Sth 29/ ST over West Branch of Suamico R 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 October 2023.

How much traffic does Sth Old Sth 29/ ST over West Branch of Suamico R carry?

About 1,700 vehicles per day (2023 count).

How long is Sth Old Sth 29/ ST over West Branch of Suamico R?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Sth Old Sth 29/ ST over West Branch of Suamico R?

It is owned by the State Highway Agency.