US Bridges

Cth F NB over IH 94

Poor

Waukesha County, Wisconsin · 1.9 MI N JCT Ush 18 · Structure no. B67014000000000

Built
1977
48 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
4 main spans
Daily traffic
17,650
2022 count
Owner
State
State Highway Agency

About this bridge

Cth F NB over IH 94 is a steel continuous stringer/multi-beam or girder carrying Cth F NB over IH 94 in Waukesha County, Wisconsin. It was built in 1977, so it is 48 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 17,650 vehicles a day, roughly 3% of them trucks, projected to reach 21,180 by 2042. The structure is 225 ft (68.5 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCth F NB
CrossesIH 94
Location1.9 MI N JCT Ush 18
RouteCounty Highway 0F
CountyWaukesha County
StateWisconsin
Coordinates43.04764, -88.20762
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.5 m)
Longest span63 ft (19.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,650 (2022)
Projected traffic21,180 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$1.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth F NB over IH 94 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Cth F NB over IH 94 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Cth F NB over IH 94 carry?

About 17,650 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Cth F NB over IH 94?

The structure is 225 ft (68.5 m) long with a longest span of 63 ft (19.1 m) and a deck 51 ft wide.

Who owns Cth F NB over IH 94?

It is owned by the State Highway Agency.