US Bridges

Lrd Lake Maria RD over Br Rock River

PoorPosted for load

Fond du Lac County, Wisconsin · 0.8M W JCT Cth Ee · Structure no. B20004300000000

Built
1962
63 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
540
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Lake Maria RD over Br Rock River is a concrete slab carrying Lrd Lake Maria RD over Br Rock River in Fond du Lac County, Wisconsin. It was built in 1962, so it is 63 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 4 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. Its operating status is: posted for other load-capacity restriction.

It carries about 540 vehicles a day, projected to reach 594 by 2043. The structure is 29 ft (8.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Lake Maria RD
CrossesBr Rock River
Location0.8M W JCT Cth Ee
RouteCity Street 0
Coordinates43.66206, -88.8127
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 3 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span25 ft (7.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2022)
Projected traffic594 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$175,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Lake Maria RD over Br Rock River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Lrd Lake Maria RD over Br Rock River 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 December 2024.

How much traffic does Lrd Lake Maria RD over Br Rock River carry?

About 540 vehicles per day (2022 count).

How long is Lrd Lake Maria RD over Br Rock River?

The structure is 29 ft (8.7 m) long with a longest span of 25 ft (7.5 m) and a deck 29 ft wide.

Who owns Lrd Lake Maria RD over Br Rock River?

It is owned by the Town or Township Highway Agency.