FHWA NBI 2024 Inspection record Public-domain dataset

CO. 174

Carrying CO. 174 over BRANCH

0.5 MI. N. LEE CO. LINE, Chambers, Alabama

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
0 t Inventory load rating Lower than 99% of rated Alabama bridges

CO. 174 in Chambers, Alabama sits above 1% of rated Alabama bridges on inventory load rating (0 t), while its 1949 build year is earlier than 81% of Chambers's recorded-year cohort (185 bridges).

CO. 174 in Chambers, Alabama is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1949, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure AL:003504

PRE-1950 · STEEL · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · TRACE-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • TRACE-LOAD Trace load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: CO. 174

The CO. 174 bridge in Chambers, Alabama carries CO. 174 over BRANCH. It was built in 1949, making it 77 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 491 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 6/9, superstructure at 5/9, 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.

How CO. 174 compares

▼ 37.6
Load rating vs Alabama average (37.6 t; 16,191 of 16,205 rated)
185
Bridges in Chambers · 15 in Poor condition

Age against the county: built in 1949, earlier than 150 of Chambers's 185 bridges with a recorded construction year (81%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CO. 174 0.0 t
Alabama average (16,191 of 16,205 rated) 37.6 t

Live comparison across Alabama bridges with a recorded inventory load rating (16,191 of 16,205 rated).

CO. 174 vs every rated Alabama bridge

Inventory load rating (metric tons), FHWA NBI, this state

0 Top 99% higher than 1% of 16,191 bridges

rated Alabama bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
0.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Chambers inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 185 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1949
Material
Steel
Number of Spans
1
Structure Length
9.1 m (30 ft)
Deck Width
4.9 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
491 vehicles/day
Structure Number
003504

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether CO. 174 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. 174 against other structures in Chambers 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. 174?

CO. 174 in Chambers, Alabama has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CO. 174 inspected?

CO. 174'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 491 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CO. 174 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. 174?

CO. 174 has an NBI inventory load rating of 0.0 metric tons.

Who is responsible for maintaining CO. 174?

CO. 174 is owned and maintained by County Highway Agency.

How old is CO. 174 and does age affect safety?

CO. 174 was built in 1949, making it 77 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.