US Bridges

IH 39NB over Bull Junior Creek

Good

Marathon County, Wisconsin · 1.6M N JCT Sth 153 to E · Structure no. B37041700000000

Built
2009
16 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

IH 39NB over Bull Junior Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 39NB over Bull Junior Creek in Marathon County, Wisconsin. It was built in 2009, so it is 16 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,500 vehicles a day, projected to reach 29,300 by 2043. The structure is 91 ft (27.8 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 39NB
CrossesBull Junior Creek
Location1.6M N JCT Sth 153 to E
RouteInterstate 39
CountyMarathon County
StateWisconsin
Coordinates44.80784, -89.67488
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length91 ft (27.8 m)
Longest span44 ft (13.4 m)
Deck width73 ft (22.4 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic29,300 by 2043
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 39NB over Bull Junior Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is IH 39NB over Bull Junior Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does IH 39NB over Bull Junior Creek carry?

About 15,500 vehicles per day (2023 count).

How long is IH 39NB over Bull Junior Creek?

The structure is 91 ft (27.8 m) long with a longest span of 44 ft (13.4 m) and a deck 73 ft wide.

Who owns IH 39NB over Bull Junior Creek?

It is owned by the State Highway Agency.