FHWA NBI 2024 Inspection record Public-domain dataset

CONCEPTION ST RD

Carrying CONCEPTION ST RD over THREE MILE CREEK

0.9 MILE S OF CRAFT HWY, Mobile, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: CONCEPTION ST RD

The CONCEPTION ST RD bridge in Mobile, Alabama carries CONCEPTION ST RD over THREE MILE CREEK. It was built in 2000, making it 26 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 93.3 meters (306 feet) end to end. Daily traffic averages 1,653 vehicles, placing it in the moderately-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 7/9, substructure at 5/9. 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 31.4 metric tons.

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

How CONCEPTION ST RD compares

▼ 6.9
Load rating vs Alabama average (38.3 t)
Bottom 41%
Lower load rating than 59% of Alabama bridges
502
Bridges in Mobile · 12 in Poor condition
CONCEPTION ST RD 31.4 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
86.0 / 100 - historical 80–100 band
Structural adequacy /55
44.7
Serviceability /30
29.0
Essentiality /15
14.3
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
31.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2000
Material
Prestressed Concrete
Number of Spans
1
Structure Length
93.3 m (306 ft)
Deck Width
11.2 m (37 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,653 vehicles/day
Structure Number
017857

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 CONCEPTION ST 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 CONCEPTION ST 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 CONCEPTION ST RD?

CONCEPTION ST RD in Mobile, Alabama has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CONCEPTION ST RD inspected?

CONCEPTION ST 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 1,653 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CONCEPTION ST 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 CONCEPTION ST RD?

CONCEPTION ST RD has an NBI inventory load rating of 31.4 metric tons.

Who is responsible for maintaining CONCEPTION ST RD?

CONCEPTION ST RD is owned and maintained by City/Municipal Highway Agency.

How old is CONCEPTION ST RD and does age affect safety?

CONCEPTION ST RD was built in 2000, making it 26 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.