US Bridges

IH 94 WB over Rock Creek

Fair

Jefferson County, Wisconsin · 6.6M W JCT Sth 26 to N · Structure no. B28007600000000

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
18,850
2022 count
Owner
State
State Highway Agency

About this bridge

IH 94 WB over Rock Creek is a concrete slab carrying IH 94 WB over Rock Creek in Jefferson County, Wisconsin. It was built in 1991, so it is 34 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 18,850 vehicles a day, roughly 14% of them trucks, projected to reach 22,620 by 2042. The structure is 34 ft (10.4 m) long and 42 ft wide.

CarriesIH 94 WB
CrossesRock Creek
Location6.6M W JCT Sth 26 to N
RouteInterstate 94
Coordinates43.08789, -88.88846
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating64.8 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,850 (2022)
Projected traffic22,620 by 2042
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 94 WB over Rock Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is IH 94 WB over Rock Creek 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 IH 94 WB over Rock Creek carry?

About 18,850 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is IH 94 WB over Rock Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 42 ft wide.

Who owns IH 94 WB over Rock Creek?

It is owned by the State Highway Agency.