US Bridges

Lrd Blackhawk Ave over Marais De ST Friole

Fair

Crawford County, Wisconsin · 0.5M W JCT Sth 35 · Structure no. B12001400000000

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
1,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Blackhawk Ave over Marais De ST Friole is a steel continuous stringer/multi-beam or girder carrying Lrd Blackhawk Ave over Marais De ST Friole in Crawford County, Wisconsin. It was built in 1955, so it is 70 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 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 1,300 vehicles a day, projected to reach 1,560 by 2043. The structure is 134 ft (40.7 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesLrd Blackhawk Ave
CrossesMarais De ST Friole
Location0.5M W JCT Sth 35
RouteCity Street 0
CountyCrawford County
StateWisconsin
Coordinates43.05153, -91.15225
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 rating41.4 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length134 ft (40.7 m)
Longest span50 ft (15.2 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic1,560 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Blackhawk Ave over Marais De ST Friole built?

It was built in 1955, making it 70 years old in 2025.

What condition is Lrd Blackhawk Ave over Marais De ST Friole 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 April 2024.

How much traffic does Lrd Blackhawk Ave over Marais De ST Friole carry?

About 1,300 vehicles per day (2022 count).

How long is Lrd Blackhawk Ave over Marais De ST Friole?

The structure is 134 ft (40.7 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.

Who owns Lrd Blackhawk Ave over Marais De ST Friole?

It is owned by the City or Municipal Highway Agency.