US Bridges

Lrd Bison RD over Rat River

Fair

Winnebago County, Wisconsin · 1.5M N JCT Cth II · Structure no. B70011700000000

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
88 ft
2 main spans
Daily traffic
2,347
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Bison RD over Rat River is a concrete continuous slab carrying Lrd Bison RD over Rat River in Winnebago County, Wisconsin. It was built in 1989, so it is 36 years old, younger 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.

It carries about 2,347 vehicles a day, projected to reach 2,581 by 2043. The structure is 88 ft (26.8 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesLrd Bison RD
CrossesRat River
Location1.5M N JCT Cth II
RouteCity Street 0
CountyWinnebago County
StateWisconsin
Coordinates44.21592, -88.6966
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span43 ft (13.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,347 (2022)
Projected traffic2,581 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Bison RD over Rat River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lrd Bison RD over Rat 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 Bison RD over Rat River carry?

About 2,347 vehicles per day (2022 count).

How long is Lrd Bison RD over Rat River?

The structure is 88 ft (26.8 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.

Who owns Lrd Bison RD over Rat River?

It is owned by the Town or Township Highway Agency.