US Bridges

Sth 54-MASON ST over Sth 32 - Ashland Ave.

Fair

Brown County, Wisconsin · 2.9M E JCT Ush 41 to S · Structure no. B05013400010000

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
483 ft
5 main spans
Daily traffic
34,200
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 54-MASON ST over Sth 32 - Ashland Ave. is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 54-MASON ST over Sth 32 - Ashland Ave. 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 34,200 vehicles a day, roughly 3% of them trucks, projected to reach 65,050 by 2042. The structure is 483 ft (147.2 m) long and 65 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSth 54-MASON ST
CrossesSth 32 - Ashland Ave.
Location2.9M E JCT Ush 41 to S
RouteState Highway 54
CountyBrown County
StateWisconsin
Coordinates44.51172, -88.02984
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating55.8 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length483 ft (147.2 m)
Longest span105 ft (32 m)
Deck width65 ft (19.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,200 (2023)
Projected traffic65,050 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 54-MASON ST over Sth 32 - Ashland Ave. built?

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

What condition is Sth 54-MASON ST over Sth 32 - Ashland 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 September 2023.

How much traffic does Sth 54-MASON ST over Sth 32 - Ashland Ave. carry?

About 34,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sth 54-MASON ST over Sth 32 - Ashland Ave.?

The structure is 483 ft (147.2 m) long with a longest span of 105 ft (32 m) and a deck 65 ft wide.

Who owns Sth 54-MASON ST over Sth 32 - Ashland Ave.?

It is owned by the State Highway Agency.