FHWA NBI 2024 Inspection record Public-domain dataset

TANNER WILLIAMS RD

Carrying TANNER WILLIAMS RD over BIG CREEK LAKE

3 MI E OF WILMER RD, Mobile, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating

Bridge Snapshot: TANNER WILLIAMS RD

The TANNER WILLIAMS RD bridge in Mobile, Alabama carries TANNER WILLIAMS RD over BIG CREEK LAKE. It was built in 1948, making it 78 years old today. The structure is built primarily of concrete and spans 7 sections, stretching 72.5 meters (238 feet) end to end. Daily traffic averages 5,739 vehicles, placing it in the moderately-trafficked tier of Alabama bridges. It is owned and maintained by Other Local Agencies.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, 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 16.9 metric tons.

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

How TANNER WILLIAMS RD compares

▼ 21.4
Load rating vs Alabama average (38.3 t)
Bottom 7%
Lower load rating than 93% of Alabama bridges
502
Bridges in Mobile · 12 in Poor condition
TANNER WILLIAMS RD 16.9 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
33.1 / 100 - historical 20–49.9 band
Structural adequacy /55
25.1
Serviceability /30
8.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
16.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1948
Material
Concrete
Number of Spans
7
Structure Length
72.5 m (238 ft)
Deck Width
11.2 m (37 ft)
Owner
Other Local Agencies
Avg Daily Traffic
5,739 vehicles/day
Structure Number
003178

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • 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 TANNER WILLIAMS RD 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 TANNER WILLIAMS RD against other structures in Mobile 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 TANNER WILLIAMS RD?

TANNER WILLIAMS RD in Mobile, Alabama has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is TANNER WILLIAMS RD inspected?

TANNER WILLIAMS RD'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 5,739 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TANNER WILLIAMS RD 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 TANNER WILLIAMS RD?

TANNER WILLIAMS RD has an NBI inventory load rating of 16.9 metric tons.

Who is responsible for maintaining TANNER WILLIAMS RD?

TANNER WILLIAMS RD is owned and maintained by Other Local Agencies.

How old is TANNER WILLIAMS RD and does age affect safety?

TANNER WILLIAMS RD was built in 1948, making it 78 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.