US Bridges

Lrd Cushman RD over Little Platte River

Good

Grant County, Wisconsin · 0.4M E JCT Sth 80 · Structure no. P22094800000000

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
80
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Cushman RD over Little Platte River is a concrete continuous culvert carrying Lrd Cushman RD over Little Platte River in Grant County, Wisconsin. It was built in 1975, so it is 50 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 80 vehicles a day, projected to reach 88 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Cushman RD
CrossesLittle Platte River
Location0.4M E JCT Sth 80
RouteCity Street 0
Coordinates42.84942, -90.44
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic88 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Cushman RD over Little Platte River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lrd Cushman RD over Little 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 September 2023.

How much traffic does Lrd Cushman RD over Little Platte River carry?

About 80 vehicles per day (2022 count).

How long is Lrd Cushman RD over Little Platte River?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m).

Who owns Lrd Cushman RD over Little Platte River?

It is owned by the Town or Township Highway Agency.