US Bridges

Lrd Hoopen RD over Koshkonong Creek

Good

Dane County, Wisconsin · 2.5M E JCT Sth 73 · Structure no. B13035700000000

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
121
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Hoopen RD over Koshkonong Creek is a prestressed concrete stringer/multi-beam or girder carrying Lrd Hoopen RD over Koshkonong Creek in Dane County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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 121 vehicles a day, projected to reach 133 by 2043. The structure is 69 ft (21.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd Hoopen RD
CrossesKoshkonong Creek
Location2.5M E JCT Sth 73
RouteCity Street 0
Coordinates42.95133, -89.027
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating64.8 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length69 ft (21.1 m)
Longest span65 ft (19.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2022)
Projected traffic133 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Hoopen RD over Koshkonong Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Lrd Hoopen RD over Koshkonong Creek 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 October 2024.

How much traffic does Lrd Hoopen RD over Koshkonong Creek carry?

About 121 vehicles per day (2022 count).

How long is Lrd Hoopen RD over Koshkonong Creek?

The structure is 69 ft (21.1 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.

Who owns Lrd Hoopen RD over Koshkonong Creek?

It is owned by the Town or Township Highway Agency.