US Bridges

Sth 54 WB on Ramp over Sth 57-MONROE ST

Fair

Brown County, Wisconsin · 0.5M W JCT Sth 29 to W · Structure no. B05013400250000

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
344 ft
4 main spans
Daily traffic
2,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 54 WB on Ramp over Sth 57-MONROE ST is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 54 WB on Ramp over Sth 57-MONROE ST in Brown County, Wisconsin. It was built in 1973, so it is 52 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 6 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 2,300 vehicles a day, roughly 9% of them trucks, projected to reach 25,200 by 2042. The structure is 344 ft (104.9 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 54 WB on Ramp
CrossesSth 57-MONROE ST
Location0.5M W JCT Sth 29 to W
RouteState Highway 54
Coordinates44.50613, -88.01391
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length344 ft (104.9 m)
Longest span92 ft (27.9 m)
Deck width21 ft (6.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2021)
Projected traffic25,200 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 54 WB on Ramp over Sth 57-MONROE ST built?

It was built in 1973, making it 52 years old in 2025.

What condition is Sth 54 WB on Ramp over Sth 57-MONROE ST 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 September 2023.

How much traffic does Sth 54 WB on Ramp over Sth 57-MONROE ST carry?

About 2,300 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Sth 54 WB on Ramp over Sth 57-MONROE ST?

The structure is 344 ft (104.9 m) long with a longest span of 92 ft (27.9 m) and a deck 21 ft wide.

Who owns Sth 54 WB on Ramp over Sth 57-MONROE ST?

It is owned by the State Highway Agency.