103RD ST
Carrying 103RD ST over NORFOLK SOUTHERN RR
10300S&1800E_2000E, Cook, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 103RD ST
The 103RD ST bridge in Cook, Illinois carries 103RD ST over NORFOLK SOUTHERN RR. It was built in 1938, making it 88 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel continuous and spans 14 sections, stretching 314.4 meters (1032 feet) end to end. Daily traffic averages 19,800 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 103RD ST compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1938
- Last Reconstructed
- 1996
- Material
- Steel Continuous
- Number of Spans
- 14
- Structure Length
- 314.4 m (1032 ft)
- Deck Width
- 16.6 m (54 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 19,800 vehicles/day
- Structure Number
- 016625100000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
103RD ST 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 103RD ST 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 103RD ST?
103RD ST in Cook, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is 103RD ST inspected?
103RD ST'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 19,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 103RD ST 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 103RD ST?
103RD ST has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining 103RD ST?
103RD ST is owned and maintained by City/Municipal Highway Agency.
How old is 103RD ST and does age affect safety?
103RD ST was built in 1938, making it 88 years old and last reconstructed in 1996.
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.
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.