FHWA NBI 2024 Inspection record Public-domain dataset

LAKE DRIVE ROAD

Carrying LAKE DRIVE ROAD over SPILLYWAY-HILLSBORO

LAKE HILLSBORO, Montgomery, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: LAKE DRIVE ROAD

The LAKE DRIVE ROAD bridge in Montgomery, Illinois carries LAKE DRIVE ROAD over SPILLYWAY-HILLSBORO. It was built in 1997, making it 29 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 31.7 meters (104 feet) end to end. Daily traffic averages 750 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 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. 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 LAKE DRIVE ROAD compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
261
Bridges in Montgomery · 16 in Poor condition
LAKE DRIVE ROAD 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
78.8 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
9.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1997
Material
Prestressed Concrete
Number of Spans
3
Structure Length
31.7 m (104 ft)
Deck Width
7.3 m (24 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
750 vehicles/day
Structure Number
068332700000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether LAKE DRIVE 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 LAKE DRIVE ROAD against other structures in Montgomery 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 LAKE DRIVE ROAD?

LAKE DRIVE ROAD in Montgomery, Illinois has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is LAKE DRIVE ROAD inspected?

LAKE DRIVE 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 750 vehicles per day.

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

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

What is the inventory load rating for LAKE DRIVE ROAD?

LAKE DRIVE ROAD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining LAKE DRIVE ROAD?

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

How old is LAKE DRIVE ROAD and does age affect safety?

LAKE DRIVE ROAD was built in 1997, making it 29 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.