FHWA NBI 2024 Inspection record Public-domain dataset

I- 94 NB BISHOP FO

Carrying I- 94 NB BISHOP FO over LITTLE CAL RIVER

1.3 M N IL 83, Cook, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
39 t Inventory load rating

Bridge Snapshot: I- 94 NB BISHOP FO

The I- 94 NB BISHOP FO bridge in Cook, Illinois carries I- 94 NB BISHOP FO over LITTLE CAL RIVER. It was built in 1949, making it 77 years old today. It was last reconstructed in 1992, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 242.3 meters (795 feet) end to end. Daily traffic averages 83,450 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 39.2 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How I- 94 NB BISHOP FO compares

▲ 4.6
Load rating vs Illinois average (34.6 t)
Top 20%
Higher load rating than 80% of Illinois bridges
2,185
Bridges in Cook · 144 in Poor condition
I- 94 NB BISHOP FO 39.2 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
53.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
0.0
Special reductions
−5.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
39.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1949
Last Reconstructed
1992
Material
Steel
Number of Spans
1
Structure Length
242.3 m (795 ft)
Deck Width
18.1 m (59 ft)
Owner
State Highway Agency
Avg Daily Traffic
83,450 vehicles/day
Structure Number
016015900000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

I- 94 NB BISHOP FO is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare I- 94 NB BISHOP FO against other structures in Cook and across Illinois. Illinois bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for I- 94 NB BISHOP FO?

I- 94 NB BISHOP FO in Cook, Illinois has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I- 94 NB BISHOP FO inspected?

I- 94 NB BISHOP FO's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 83,450 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. I- 94 NB BISHOP FO is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for I- 94 NB BISHOP FO?

I- 94 NB BISHOP FO has an NBI inventory load rating of 39.2 metric tons.

Who is responsible for maintaining I- 94 NB BISHOP FO?

I- 94 NB BISHOP FO is owned and maintained by State Highway Agency.

How old is I- 94 NB BISHOP FO and does age affect safety?

I- 94 NB BISHOP FO was built in 1949, making it 77 years old and last reconstructed in 1992.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.