US Bridges

IH 90 Eb-Ih 94 EB over Cmstpp RR

Fair

Dane County, Wisconsin · 0.8M E JCT Ush 151 to N · Structure no. B13010400000000

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
145 ft
3 main spans
Daily traffic
54,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 90 Eb-Ih 94 EB over Cmstpp RR is a steel continuous stringer/multi-beam or girder carrying IH 90 Eb-Ih 94 EB over Cmstpp RR in Dane County, Wisconsin. It was built in 1960, so it is 65 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 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 54,500 vehicles a day, roughly 17% of them trucks, projected to reach 65,400 by 2042. The structure is 145 ft (44.3 m) long and 59 ft wide.

Location

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CarriesIH 90 Eb-Ih 94 EB
CrossesCmstpp RR
Location0.8M E JCT Ush 151 to N
RouteInterstate 90
CountyDane County
StateWisconsin
Coordinates43.12498, -89.29084
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length145 ft (44.3 m)
Longest span54 ft (16.5 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,500 (2022)
Projected traffic65,400 by 2042
Trucks17%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$909,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 90 Eb-Ih 94 EB over Cmstpp RR built?

It was built in 1960, making it 65 years old in 2025.

What condition is IH 90 Eb-Ih 94 EB over Cmstpp RR 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 November 2024.

How much traffic does IH 90 Eb-Ih 94 EB over Cmstpp RR carry?

About 54,500 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is IH 90 Eb-Ih 94 EB over Cmstpp RR?

The structure is 145 ft (44.3 m) long with a longest span of 54 ft (16.5 m) and a deck 59 ft wide.

Who owns IH 90 Eb-Ih 94 EB over Cmstpp RR?

It is owned by the State Highway Agency.