FHWA NBI 2024 Inspection record Public-domain dataset

BOB WALLACE

Carrying BOB WALLACE over HUNTSVILLE SPG BRANCH

H'VILLE SP BR ATBOBWALACE, Madison, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: BOB WALLACE

The BOB WALLACE bridge in Madison, Alabama carries BOB WALLACE over HUNTSVILLE SPG BRANCH. It was built in 1955, making it 71 years old today. It was last reconstructed in 1964, extending its service life. The structure is built primarily of concrete and spans 4 sections, stretching 38.3 meters (126 feet) end to end. Daily traffic averages 20,000 vehicles, placing it in the heavily-trafficked tier of Alabama 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 5/9. 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 30.4 metric tons.

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

How BOB WALLACE compares

▼ 7.9
Load rating vs Alabama average (38.3 t)
Bottom 38%
Lower load rating than 62% of Alabama bridges
586
Bridges in Madison · 9 in Poor condition
BOB WALLACE 30.4 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
63.1 / 100 - historical 50–79.9 band
Structural adequacy /55
44.1
Serviceability /30
10.0
Essentiality /15
12.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
30.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1955
Last Reconstructed
1964
Material
Concrete
Number of Spans
4
Structure Length
38.3 m (126 ft)
Deck Width
17.4 m (57 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
20,000 vehicles/day
Structure Number
008114

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 5/9, 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 BOB WALLACE 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 BOB WALLACE against other structures in Madison 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 BOB WALLACE?

BOB WALLACE in Madison, Alabama has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is BOB WALLACE inspected?

BOB WALLACE'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 20,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BOB WALLACE 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 BOB WALLACE?

BOB WALLACE has an NBI inventory load rating of 30.4 metric tons.

Who is responsible for maintaining BOB WALLACE?

BOB WALLACE is owned and maintained by City/Municipal Highway Agency.

How old is BOB WALLACE and does age affect safety?

BOB WALLACE was built in 1955, making it 71 years old and last reconstructed in 1964.

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.