US Bridges

IH USH51-IH39 SB over Cth East Second St(cth J

Fair

Marquette County, Wisconsin · 5.0M S JCT Cth Z · Structure no. B39003100000000

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
2 main spans
Daily traffic
6,400
2021 count
Owner
State
State Highway Agency

About this bridge

IH USH51-IH39 SB over Cth East Second St(cth J is a prestressed concrete continuous stringer/multi-beam or girder carrying IH USH51-IH39 SB over Cth East Second St(cth J in Marquette County, Wisconsin. It was built in 1987, so it is 38 years old, younger 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 6,400 vehicles a day, roughly 20% of them trucks, projected to reach 7,680 by 2041. The structure is 164 ft (49.9 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesIH USH51-IH39 SB
CrossesCth East Second St(cth J
Location5.0M S JCT Cth Z
RouteInterstate 39
CountyMarquette County
StateWisconsin
Coordinates43.88576, -89.48333
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 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 rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span81 ft (24.7 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2021)
Projected traffic7,680 by 2041
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH USH51-IH39 SB over Cth East Second St(cth J built?

It was built in 1987, making it 38 years old in 2025.

What condition is IH USH51-IH39 SB over Cth East Second St(cth J 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 May 2024.

How much traffic does IH USH51-IH39 SB over Cth East Second St(cth J carry?

About 6,400 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is IH USH51-IH39 SB over Cth East Second St(cth J?

The structure is 164 ft (49.9 m) long with a longest span of 81 ft (24.7 m) and a deck 44 ft wide.

Who owns IH USH51-IH39 SB over Cth East Second St(cth J?

It is owned by the State Highway Agency.