US Bridges

I- 94 Bishop Ford over Little Cal River

Poor

Cook County, Illinois · 1.1 M S Il 83 · Structure no. 016016300000000

Built
1947
78 years old, rebuilt 1981
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
3 main spans
Daily traffic
152,900
2024 count
Owner
State
State Highway Agency

About this bridge

I- 94 Bishop Ford over Little Cal River is a steel continuous stringer/multi-beam or girder carrying I- 94 Bishop Ford over Little Cal River in Cook County, Illinois. It was built in 1947 and reconstructed in 1981, so it is 78 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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 152,900 vehicles a day, roughly 7% of them trucks, projected to reach 130,997 by 2046. The structure is 270 ft (82.4 m) long and 117 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI- 94 Bishop Ford
CrossesLittle Cal River
Location1.1 M S Il 83
RouteInterstate 94
Coordinates41.6072, -87.58179
Functional classUrban Principal Arterial - Interstate

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.4 m)
Longest span104 ft (31.7 m)
Deck width117 ft (35.7 m)
Roadway width111 ft (33.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152,900 (2024)
Projected traffic130,997 by 2046
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 I- 94 Bishop Ford over Little Cal River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1981.

What condition is I- 94 Bishop Ford over Little Cal River 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 September 2024.

How much traffic does I- 94 Bishop Ford over Little Cal River carry?

About 152,900 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I- 94 Bishop Ford over Little Cal River?

The structure is 270 ft (82.4 m) long with a longest span of 104 ft (31.7 m) and a deck 117 ft wide.

Who owns I- 94 Bishop Ford over Little Cal River?

It is owned by the State Highway Agency.