FHWA NBI 2024 Inspection record Public-domain dataset

COFFIN ROAD

Carrying COFFIN ROAD over BUFFALO CREEK

.5 M N 53 1.0 M W 83, Lake, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
6 t Inventory load rating

Bridge Snapshot: COFFIN ROAD

The COFFIN ROAD bridge in Lake, Illinois carries COFFIN ROAD over BUFFALO CREEK. It was built in 1925, making it 101 years old today. It was last reconstructed in 1981, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 2,500 vehicles, placing it in the moderately-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 8/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 6.2 metric tons.

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

How COFFIN ROAD compares

▼ 28.4
Load rating vs Illinois average (34.6 t)
Bottom 1%
Lower load rating than 99% of Illinois bridges
286
Bridges in Lake · 22 in Poor condition
COFFIN ROAD 6.2 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
39.7 / 100 - historical 20–49.9 band
Structural adequacy /55
11.4
Serviceability /30
14.5
Essentiality /15
13.8
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
8/9
Good (7–9)
Inventory Load Rating
6.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1925
Last Reconstructed
1981
Material
Steel
Number of Spans
1
Structure Length
12.5 m (41 ft)
Deck Width
5.4 m (18 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,500 vehicles/day
Structure Number
049715000000000

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether COFFIN ROAD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare COFFIN ROAD against other structures in Lake 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 COFFIN ROAD?

COFFIN ROAD in Lake, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is COFFIN ROAD inspected?

COFFIN ROAD'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 2,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COFFIN ROAD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for COFFIN ROAD?

COFFIN ROAD has an NBI inventory load rating of 6.2 metric tons.

Who is responsible for maintaining COFFIN ROAD?

COFFIN ROAD is owned and maintained by City/Municipal Highway Agency.

How old is COFFIN ROAD and does age affect safety?

COFFIN ROAD was built in 1925, making it 101 years old and last reconstructed in 1981.

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.