US Bridges

Lrd IRR (governmen over Marengo River

Fair

Ashland County, Wisconsin · 0.7M N JCT Cth C · Structure no. B02005400000000

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
116
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd IRR (governmen over Marengo River is a concrete continuous slab carrying Lrd IRR (governmen over Marengo River in Ashland County, Wisconsin. It was built in 2001, so it is 24 years old, younger 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 5 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 116 vehicles a day, roughly 10% of them trucks, projected to reach 117 by 2043. The structure is 143 ft (43.5 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLrd IRR (governmen
CrossesMarengo River
Location0.7M N JCT Cth C
RouteCity Street 0
Coordinates46.417, -90.73703
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.5 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2024)
Projected traffic117 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 IRR (governmen over Marengo River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Lrd IRR (governmen over Marengo 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 August 2024.

How much traffic does Lrd IRR (governmen over Marengo River carry?

About 116 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lrd IRR (governmen over Marengo River?

The structure is 143 ft (43.5 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Lrd IRR (governmen over Marengo River?

It is owned by the Town or Township Highway Agency.