FHWA NBI 2024 Inspection record Public-domain dataset

CO RT 30

Carrying CO RT 30 over HUDDON CREEK

1 MI E INT SR 17, Lauderdale, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating

Bridge Snapshot: CO RT 30

The CO RT 30 bridge in Lauderdale, Alabama carries CO RT 30 over HUDDON CREEK. It was built in 1937, making it 89 years old today. It was last reconstructed in 1970, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 450 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 7/9, superstructure at 6/9, 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 37.4 metric tons.

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

How CO RT 30 compares

▼ 0.9
Load rating vs Alabama average (38.3 t)
Top 41%
Higher load rating than 59% of Alabama bridges
211
Bridges in Lauderdale · 10 in Poor condition
CO RT 30 37.4 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
81.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
37.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1937
Last Reconstructed
1970
Material
Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
6.5 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
450 vehicles/day
Structure Number
010140

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, 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 CO RT 30 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 CO RT 30 against other structures in Lauderdale 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 CO RT 30?

CO RT 30 in Lauderdale, 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 CO RT 30 inspected?

CO RT 30'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 450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CO RT 30 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 CO RT 30?

CO RT 30 has an NBI inventory load rating of 37.4 metric tons.

Who is responsible for maintaining CO RT 30?

CO RT 30 is owned and maintained by County Highway Agency.

How old is CO RT 30 and does age affect safety?

CO RT 30 was built in 1937, making it 89 years old and last reconstructed in 1970.

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.