FHWA NBI 2024 Inspection record Public-domain dataset

PL RIDGE RD

Carrying PL RIDGE RD over TIMBER CREEK

000000000, Carroll, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: PL RIDGE RD

The PL RIDGE RD bridge in Carroll, Iowa carries PL RIDGE RD over TIMBER CREEK. It was built in 1995, making it 31 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 584 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 31.0 metric tons.

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

How PL RIDGE RD compares

▲ 0.1
Load rating vs Iowa average (30.9 t)
Bottom 49%
Lower load rating than 51% of Iowa bridges
223
Bridges in Carroll · 17 in Poor condition
PL RIDGE RD 31.0 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
99.4 / 100 - historical 80–100 band
Structural adequacy /55
54.5
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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)
Inventory Load Rating
31.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1995
Material
Concrete Continuous
Number of Spans
2
Structure Length
10.7 m (35 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
584 vehicles/day
Structure Number
000000000504920

How to read this record

This page shows what the last federal inspection recorded, not whether PL RIDGE 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 PL RIDGE RD against other structures in Carroll and across Iowa. Iowa 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 PL RIDGE RD?

PL RIDGE RD in Carroll, Iowa on the FHWA's 0–9 scale.

How often is PL RIDGE RD inspected?

PL RIDGE 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 584 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PL RIDGE 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 PL RIDGE RD?

PL RIDGE RD has an NBI inventory load rating of 31.0 metric tons.

Who is responsible for maintaining PL RIDGE RD?

PL RIDGE RD is owned and maintained by City/Municipal Highway Agency.

How old is PL RIDGE RD and does age affect safety?

PL RIDGE RD was built in 1995, making it 31 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.