FHWA NBI 2024 Inspection record Public-domain dataset

WALL-TRIANA HWY

Carrying WALL-TRIANA HWY over MADISON BRANCH

0.2 MI N MILL RD, Madison, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating

Bridge Snapshot: WALL-TRIANA HWY

The WALL-TRIANA HWY bridge in Madison, Alabama carries WALL-TRIANA HWY over MADISON BRANCH. It was built in 1938, making it 88 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 12,000 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 7/9, superstructure at 6/9, substructure at 6/9. 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 16.2 metric tons.

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

How WALL-TRIANA HWY compares

▼ 22.1
Load rating vs Alabama average (38.3 t)
Bottom 7%
Lower load rating than 93% of Alabama bridges
586
Bridges in Madison · 9 in Poor condition
WALL-TRIANA HWY 16.2 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
68.1 / 100 - historical 50–79.9 band
Structural adequacy /55
33.8
Serviceability /30
24.0
Essentiality /15
13.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1938
Material
Steel
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
10.4 m (34 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
12,000 vehicles/day
Structure Number
001712

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether WALL-TRIANA HWY 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 WALL-TRIANA HWY 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 WALL-TRIANA HWY?

WALL-TRIANA HWY in Madison, Alabama has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WALL-TRIANA HWY inspected?

WALL-TRIANA HWY'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 12,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WALL-TRIANA HWY 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 WALL-TRIANA HWY?

WALL-TRIANA HWY has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining WALL-TRIANA HWY?

WALL-TRIANA HWY is owned and maintained by City/Municipal Highway Agency.

How old is WALL-TRIANA HWY and does age affect safety?

WALL-TRIANA HWY was built in 1938, making it 88 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.