FHWA NBI 2024 Inspection record Public-domain dataset

CALDWELL MILL RD

Carrying CALDWELL MILL RD over CAHABA RIVER TRIBUTART

1/2 MI S ACTON ROAD, Jefferson, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
2 t Inventory load rating

Bridge Snapshot: CALDWELL MILL RD

The CALDWELL MILL RD bridge in Jefferson, Alabama carries CALDWELL MILL RD over CAHABA RIVER TRIBUTART. It was built in 1960, making it 66 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 875 vehicles, placing it in the lower-traffic tier of Alabama bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 1.8 metric tons.

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

How CALDWELL MILL RD compares

▼ 36.5
Load rating vs Alabama average (38.3 t)
Bottom 1%
Lower load rating than 99% of Alabama bridges
885
Bridges in Jefferson · 19 in Poor condition
CALDWELL MILL RD 1.8 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
22.1 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
8.0
Essentiality /15
14.1
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
1.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1960
Material
Steel Continuous
Number of Spans
2
Structure Length
10.1 m (33 ft)
Deck Width
7.8 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
875 vehicles/day
Structure Number
007191

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

CALDWELL MILL RD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare CALDWELL MILL RD against other structures in Jefferson 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 CALDWELL MILL RD?

CALDWELL MILL RD in Jefferson, Alabama has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CALDWELL MILL RD inspected?

CALDWELL MILL 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 875 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CALDWELL MILL RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CALDWELL MILL RD?

CALDWELL MILL RD has an NBI inventory load rating of 1.8 metric tons.

Who is responsible for maintaining CALDWELL MILL RD?

CALDWELL MILL RD is owned and maintained by County Highway Agency.

How old is CALDWELL MILL RD and does age affect safety?

CALDWELL MILL RD was built in 1960, making it 66 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.