US Bridges

Lrd Riverside RD over N Br Oconto River

FairPosted for load

Oconto County, Wisconsin · 0.1M W JCT Cth F · Structure no. P42003200000000

Built
1913
112 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
61 ft
2 main spans
Daily traffic
40
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Riverside RD over N Br Oconto River is a concrete slab carrying Lrd Riverside RD over N Br Oconto River in Oconto County, Wisconsin. It was built in 1913, so it is 112 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 38 by 2043. The structure is 61 ft (18.5 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLrd Riverside RD
CrossesN Br Oconto River
Location0.1M W JCT Cth F
RouteCity Street 0
CountyOconto County
StateWisconsin
Coordinates45.33687, -88.45494
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length61 ft (18.5 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic38 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Riverside RD over N Br Oconto River built?

It was built in 1913, making it 112 years old in 2025.

What condition is Lrd Riverside RD over N Br Oconto River 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 October 2024.

How much traffic does Lrd Riverside RD over N Br Oconto River carry?

About 40 vehicles per day (2023 count).

How long is Lrd Riverside RD over N Br Oconto River?

The structure is 61 ft (18.5 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns Lrd Riverside RD over N Br Oconto River?

It is owned by the Town or Township Highway Agency.