FHWA NBI 2024 Inspection record Public-domain dataset

FDR 637

Carrying FDR 637 over HORSE CREEK

NATIONAL FOREST, Clay, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair

Bridge Snapshot: FDR 637

The FDR 637 bridge in Clay, Alabama carries FDR 637 over HORSE CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Alabama bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

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

How FDR 637 compares

105
Bridges in Clay · 5 in Poor condition

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Material
Steel
Number of Spans
2
Structure Length
7.6 m (25 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
080106000001009

How to read this record

This page shows what the last federal inspection recorded, not whether FDR 637 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 FDR 637 against other structures in Clay 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 FDR 637?

FDR 637 in Clay, Alabama on the FHWA's 0–9 scale.

How often is FDR 637 inspected?

FDR 637'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FDR 637 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 FDR 637?

An inventory load rating is not recorded for FDR 637.

Who is responsible for maintaining FDR 637?

FDR 637 is owned and maintained by U.S. Forest Service.

How old is FDR 637 and does age affect safety?

FDR 637 was built in 1981, making it 45 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.