US Bridges

Sth 145 Nb-W Fond over Lrd Flagg Ave

Fair

Milwaukee County, Wisconsin · 1.3M N JCT Sth 181 · Structure no. B40027900000000

Built
1966
59 years old, rebuilt 1993
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
294 ft
5 main spans
Daily traffic
12,850
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 145 Nb-W Fond over Lrd Flagg Ave is a steel continuous stringer/multi-beam or girder carrying Sth 145 Nb-W Fond over Lrd Flagg Ave in Milwaukee County, Wisconsin. It was built in 1966 and reconstructed in 1993, so it is 59 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 12,850 vehicles a day, roughly 2% of them trucks, projected to reach 15,124 by 2043. The structure is 294 ft (89.5 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 145 Nb-W Fond
CrossesLrd Flagg Ave
Location1.3M N JCT Sth 181
RouteState Highway 145
Coordinates43.12659, -88.02029
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length294 ft (89.5 m)
Longest span70 ft (21.3 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,850 (2023)
Projected traffic15,124 by 2043
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 145 Nb-W Fond over Lrd Flagg Ave built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1993.

What condition is Sth 145 Nb-W Fond over Lrd Flagg Ave 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 July 2024.

How much traffic does Sth 145 Nb-W Fond over Lrd Flagg Ave carry?

About 12,850 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sth 145 Nb-W Fond over Lrd Flagg Ave?

The structure is 294 ft (89.5 m) long with a longest span of 70 ft (21.3 m) and a deck 54 ft wide.

Who owns Sth 145 Nb-W Fond over Lrd Flagg Ave?

It is owned by the State Highway Agency.