FHWA NBI 2024 Inspection record Public-domain dataset

18TH ST

Carrying 18TH ST over TANYARD CREEK

18TH ST * AL 69, Walker, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
59 t Inventory load rating

Bridge Snapshot: 18TH ST

The 18TH ST bridge in Walker, Alabama carries 18TH ST over TANYARD CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 800 vehicles, placing it in the lower-traffic tier of Alabama bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 58.5 metric tons.

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

How 18TH ST compares

▲ 20.2
Load rating vs Alabama average (38.3 t)
Top 13%
Higher load rating than 87% of Alabama bridges
224
Bridges in Walker · 14 in Poor condition
18TH ST 58.5 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
87.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
20.9
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
58.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1970
Material
Concrete
Number of Spans
3
Structure Length
9.8 m (32 ft)
Deck Width
14.0 m (46 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
010272

How to read this record

This page shows what the last federal inspection recorded, not whether 18TH ST 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 18TH ST against other structures in Walker 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 18TH ST?

18TH ST in Walker, Alabama on the FHWA's 0–9 scale.

How often is 18TH ST inspected?

18TH ST'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 800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 18TH ST is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 18TH ST?

18TH ST has an NBI inventory load rating of 58.5 metric tons.

Who is responsible for maintaining 18TH ST?

18TH ST is owned and maintained by City/Municipal Highway Agency.

How old is 18TH ST and does age affect safety?

18TH ST was built in 1970, making it 56 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.