FHWA NBI 2024 Inspection record Public-domain dataset

I65 NBL/SBL

Carrying I65 NBL/SBL over AL.RIVER RELIEF NO.3

1.6 MI.N.OF AL.RIVER, Montgomery, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: I65 NBL/SBL

The I65 NBL/SBL bridge in Montgomery, Alabama carries I65 NBL/SBL over AL.RIVER RELIEF NO.3. It was built in 1972, making it 54 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of concrete and spans 8 sections, stretching 82.9 meters (272 feet) end to end. Daily traffic averages 40,620 vehicles, placing it in the heavily-trafficked tier of Alabama bridges. It is owned and maintained by State 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. All reported major components score above the Poor range. Its NBI inventory load rating is 27.5 metric tons.

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

How I65 NBL/SBL compares

▼ 10.8
Load rating vs Alabama average (38.3 t)
Bottom 31%
Lower load rating than 69% of Alabama bridges
503
Bridges in Montgomery · 9 in Poor condition
I65 NBL/SBL 27.5 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
70.3 / 100 - historical 50–79.9 band
Structural adequacy /55
51.5
Serviceability /30
11.0
Essentiality /15
7.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
27.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Last Reconstructed
1999
Material
Concrete
Number of Spans
8
Structure Length
82.9 m (272 ft)
Deck Width
38.3 m (126 ft)
Owner
State Highway Agency
Avg Daily Traffic
40,620 vehicles/day
Structure Number
010696

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 I65 NBL/SBL 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 I65 NBL/SBL against other structures in Montgomery and across Alabama. Alabama 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 I65 NBL/SBL?

I65 NBL/SBL in Montgomery, Alabama 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 I65 NBL/SBL inspected?

I65 NBL/SBL'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 40,620 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I65 NBL/SBL 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 I65 NBL/SBL?

I65 NBL/SBL has an NBI inventory load rating of 27.5 metric tons.

Who is responsible for maintaining I65 NBL/SBL?

I65 NBL/SBL is owned and maintained by State Highway Agency.

How old is I65 NBL/SBL and does age affect safety?

I65 NBL/SBL was built in 1972, making it 54 years old and last reconstructed in 1999.

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.