US Bridges

Lrd Irish Hollow R over Marlow Br

Good

Grant County, Wisconsin · 1.3M N JCT Cth U · Structure no. P22096200000000

Built
1988
37 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
78
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Irish Hollow R over Marlow Br is a concrete continuous culvert carrying Lrd Irish Hollow R over Marlow Br in Grant County, Wisconsin. It was built in 1988, so it is 37 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 78 vehicles a day, projected to reach 85 by 2042. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Irish Hollow R
CrossesMarlow Br
Location1.3M N JCT Cth U
RouteCity Street 0
Coordinates42.76411, -90.81025
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)
Projected traffic85 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Irish Hollow R over Marlow Br built?

It was built in 1988, making it 37 years old in 2025.

What condition is Lrd Irish Hollow R over Marlow Br 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 December 2023.

How much traffic does Lrd Irish Hollow R over Marlow Br carry?

About 78 vehicles per day (2022 count).

How long is Lrd Irish Hollow R over Marlow Br?

The structure is 24 ft (7.4 m) long with a longest span of 12 ft (3.6 m).

Who owns Lrd Irish Hollow R over Marlow Br?

It is owned by the Town or Township Highway Agency.