US Bridges

Lrd Prospect Ave over Cnw RR

Fair

Marathon County, Wisconsin · 0.1M E JCT Ush B51 · Structure no. B37017600000000

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
3 main spans
Daily traffic
4,742
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Prospect Ave over Cnw RR is a steel continuous stringer/multi-beam or girder carrying Lrd Prospect Ave over Cnw RR in Marathon County, Wisconsin. It was built in 1981, so it is 44 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 4,742 vehicles a day, projected to reach 5,106 by 2043. The structure is 120 ft (36.6 m) long and 56 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd Prospect Ave
CrossesCnw RR
Location0.1M E JCT Ush B51
RouteCity Street 0
CountyMarathon County
StateWisconsin
Coordinates44.94833, -89.62002
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span45 ft (13.7 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,742 (2024)
Projected traffic5,106 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$985,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd Prospect Ave over Cnw RR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lrd Prospect Ave over Cnw RR 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 2024.

How much traffic does Lrd Prospect Ave over Cnw RR carry?

About 4,742 vehicles per day (2024 count).

How long is Lrd Prospect Ave over Cnw RR?

The structure is 120 ft (36.6 m) long with a longest span of 45 ft (13.7 m) and a deck 56 ft wide.

Who owns Lrd Prospect Ave over Cnw RR?

It is owned by the City or Municipal Highway Agency.