FHWA NBI 2024 Inspection record Public-domain dataset

MT MILLS RD

Carrying MT MILLS RD over WHITLEY BRANCH

MT MILLS N OF HWY 72, Colbert, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
36 t Inventory load rating

Bridge Snapshot: MT MILLS RD

The MT MILLS RD bridge in Colbert, Alabama carries MT MILLS RD over WHITLEY BRANCH. It was built in 1947, making it 79 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 600 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 culvert 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 36.0 metric tons.

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

How MT MILLS RD compares

▼ 2.3
Load rating vs Alabama average (38.3 t)
Top 44%
Higher load rating than 56% of Alabama bridges
146
Bridges in Colbert · 2 in Poor condition
MT MILLS RD 36.0 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
85.8 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
14.8
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 How the historical reference is calculated.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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
36.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1947
Material
Concrete
Number of Spans
2
Structure Length
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
600 vehicles/day
Structure Number
003073

How to read this record

This page shows what the last federal inspection recorded, not whether MT MILLS 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 MT MILLS RD against other structures in Colbert 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 MT MILLS RD?

MT MILLS RD in Colbert, Alabama on the FHWA's 0–9 scale.

How often is MT MILLS RD inspected?

MT MILLS 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 600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MT MILLS 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 MT MILLS RD?

MT MILLS RD has an NBI inventory load rating of 36.0 metric tons.

Who is responsible for maintaining MT MILLS RD?

MT MILLS RD is owned and maintained by County Highway Agency.

How old is MT MILLS RD and does age affect safety?

MT MILLS RD was built in 1947, making it 79 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.