FHWA NBI 2024 Inspection record Public-domain dataset

RIDGEWOOD DR

Carrying RIDGEWOOD DR over CURTIS CREEK

CITY OF QUINCY, Adams, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: RIDGEWOOD DR

The RIDGEWOOD DR bridge in Adams, Illinois carries RIDGEWOOD DR over CURTIS CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic 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 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. 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 RIDGEWOOD DR compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
325
Bridges in Adams · 19 in Poor condition
RIDGEWOOD DR 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Material
Prestressed Concrete
Number of Spans
1
Structure Length
13.7 m (45 ft)
Deck Width
11.0 m (36 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
001600700000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether RIDGEWOOD DR 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 RIDGEWOOD DR against other structures in Adams 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 RIDGEWOOD DR?

RIDGEWOOD DR in Adams, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RIDGEWOOD DR inspected?

RIDGEWOOD DR'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIDGEWOOD DR 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 RIDGEWOOD DR?

RIDGEWOOD DR has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining RIDGEWOOD DR?

RIDGEWOOD DR is owned and maintained by City/Municipal Highway Agency.

How old is RIDGEWOOD DR and does age affect safety?

RIDGEWOOD DR was built in 1981, making it 45 years old.

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.