US Bridges

Lrd Big Platte RD over Platte River

Good

Grant County, Wisconsin · 0.8M N JCT Cth O · Structure no. B22007200000000

Built
1984
41 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
156
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Big Platte RD over Platte River is a concrete continuous slab carrying Lrd Big Platte RD over Platte River in Grant County, Wisconsin. It was built in 1984, so it is 41 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 156 vehicles a day, projected to reach 171 by 2042. The structure is 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLrd Big Platte RD
CrossesPlatte River
Location0.8M N JCT Cth O
RouteCity Street 0
Coordinates42.69939, -90.63867
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.7 m)
Longest span38 ft (11.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2022)
Projected traffic171 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

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 Big Platte RD over Platte River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Lrd Big Platte RD over Platte River 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 April 2023.

How much traffic does Lrd Big Platte RD over Platte River carry?

About 156 vehicles per day (2022 count).

How long is Lrd Big Platte RD over Platte River?

The structure is 94 ft (28.7 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns Lrd Big Platte RD over Platte River?

It is owned by the Town or Township Highway Agency.