US Bridges

IH 39 NB / IH 90 W over Branch Saunders Creek

Good

Dane County, Wisconsin · 1.2 MI N JCT With Sth 73 · Structure no. B13070500000000

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
28,100
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 NB / IH 90 W over Branch Saunders Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 39 NB / IH 90 W over Branch Saunders Creek in Dane County, Wisconsin. It was built in 2017, so it is 8 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 28,100 vehicles a day, projected to reach 35,150 by 2040. The structure is 54 ft (16.6 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH 39 NB / IH 90 W
CrossesBranch Saunders Creek
Location1.2 MI N JCT With Sth 73
RouteInterstate 39
CountyDane County
StateWisconsin
Coordinates42.88804, -89.06961
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.6 m)
Longest span50 ft (15.2 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,100 (2022)
Projected traffic35,150 by 2040
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 39 NB / IH 90 W over Branch Saunders Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is IH 39 NB / IH 90 W over Branch Saunders 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 2023.

How much traffic does IH 39 NB / IH 90 W over Branch Saunders Creek carry?

About 28,100 vehicles per day (2022 count).

How long is IH 39 NB / IH 90 W over Branch Saunders Creek?

The structure is 54 ft (16.6 m) long with a longest span of 50 ft (15.2 m) and a deck 63 ft wide.

Who owns IH 39 NB / IH 90 W over Branch Saunders Creek?

It is owned by the State Highway Agency.