FHWA NBI 2024 Inspection record Public-domain dataset

ACCESS ROAD

Carrying ACCESS ROAD over STREAM

0.1 mi. S of S.R. C80, Plymouth, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating Lower than 77% of rated Iowa bridges

ACCESS ROAD in Plymouth, Iowa is rated Good in the FHWA's 2024 National Bridge Inventory.

Built in 2000, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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 IA:000000000607385

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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: ACCESS ROAD

The ACCESS ROAD bridge in Plymouth, Iowa carries ACCESS ROAD over STREAM. It was built in 2000, making it 26 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 1,347 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by County 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.

How ACCESS ROAD compares

▼ 9.3
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
432
Bridges in Plymouth · 93 in Poor condition

Age against the county: built in 2000, earlier than 117 of Plymouth's 432 bridges with a recorded construction year (27%), against a county median build year of 1977. This is one of the newer structures in its county.

ACCESS ROAD 21.1 t
Iowa average (23,718 of 23,719 rated) 30.4 t

Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).

ACCESS ROAD vs every rated Iowa bridge

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

21 Top 77% higher than 23% of 23,718 bridges

rated Iowa 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

Culvert
7/9
Good (7–9)
Inventory Load Rating
21.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Plymouth inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 432 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
2000
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.6 m (25 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
1,347 vehicles/day
Structure Number
000000000607385

How to read this record

This page shows what the last federal inspection recorded, not whether ACCESS ROAD 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 ACCESS ROAD against other structures in Plymouth 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 ACCESS ROAD?

ACCESS ROAD in Plymouth, Iowa on the FHWA's 0–9 scale.

How often is ACCESS ROAD inspected?

ACCESS ROAD'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 1,347 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ACCESS ROAD 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 ACCESS ROAD?

ACCESS ROAD has an NBI inventory load rating of 21.1 metric tons.

Who is responsible for maintaining ACCESS ROAD?

ACCESS ROAD is owned and maintained by County Highway Agency.

How old is ACCESS ROAD and does age affect safety?

ACCESS ROAD was built in 2000, making it 26 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

Share this inspection record

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.