US Bridges

Lrd Coon Hollow RD over Platte River

Fair

Grant County, Wisconsin · 4.2M N JCT Cth a · Structure no. P22022500000000

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
53
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Coon Hollow RD over Platte River is a steel stringer/multi-beam or girder carrying Lrd Coon Hollow RD over Platte River in Grant County, Wisconsin. It was built in 1970, so it is 55 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 6 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 53 vehicles a day, projected to reach 58 by 2042. The structure is 68 ft (20.8 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesLrd Coon Hollow RD
CrossesPlatte River
Location4.2M N JCT Cth a
RouteCity Street 0
CountyGrant County
StateWisconsin
Coordinates42.86047, -90.585
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 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 rating32.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.8 m)
Longest span66 ft (20.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2022)
Projected traffic58 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Coon Hollow RD over Platte River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lrd Coon Hollow RD over Platte 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 September 2023.

How much traffic does Lrd Coon Hollow RD over Platte River carry?

About 53 vehicles per day (2022 count).

How long is Lrd Coon Hollow RD over Platte River?

The structure is 68 ft (20.8 m) long with a longest span of 66 ft (20.2 m) and a deck 26 ft wide.

Who owns Lrd Coon Hollow RD over Platte River?

It is owned by the Town or Township Highway Agency.