US Bridges

IH 94 EB over Ush 12-STH 29

Fair

Dunn County, Wisconsin · 6.5M E JCT Cth B (h) · Structure no. B17006000000000

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
4 main spans
Daily traffic
15,950
2023 count
Owner
State
State Highway Agency

About this bridge

IH 94 EB over Ush 12-STH 29 is a steel continuous stringer/multi-beam or girder carrying IH 94 EB over Ush 12-STH 29 in Dunn County, Wisconsin. It was built in 1959, so it is 66 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 5 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 15,950 vehicles a day, roughly 14% of them trucks, projected to reach 18,300 by 2043. The structure is 342 ft (104.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 94 EB
CrossesUsh 12-STH 29
Location6.5M E JCT Cth B (h)
RouteInterstate 94
CountyDunn County
StateWisconsin
Coordinates44.88614, -91.7307
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length342 ft (104.2 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,950 (2023)
Projected traffic18,300 by 2043
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 94 EB over Ush 12-STH 29 built?

It was built in 1959, making it 66 years old in 2025.

What condition is IH 94 EB over Ush 12-STH 29 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 July 2024.

How much traffic does IH 94 EB over Ush 12-STH 29 carry?

About 15,950 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is IH 94 EB over Ush 12-STH 29?

The structure is 342 ft (104.2 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns IH 94 EB over Ush 12-STH 29?

It is owned by the State Highway Agency.