FHWA NBI 2024 Inspection record Public-domain dataset

F20 220TH TRL

Carrying F20 220TH TRL over PRICE CREEK

081092609, Iowa, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: F20 220TH TRL

The F20 220TH TRL bridge in Iowa, Iowa carries F20 220TH TRL over PRICE CREEK. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 39.6 meters (130 feet) end to end. Daily traffic averages 450 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 35.0 metric tons.

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

How F20 220TH TRL compares

▲ 4.1
Load rating vs Iowa average (30.9 t)
Top 28%
Higher load rating than 72% of Iowa bridges
189
Bridges in Iowa · 40 in Poor condition
F20 220TH TRL 35.0 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
81.8 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
23.0
Essentiality /15
14.8
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
35.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1978
Material
Concrete Continuous
Number of Spans
3
Structure Length
39.6 m (130 ft)
Deck Width
11.9 m (39 ft)
Owner
County Highway Agency
Avg Daily Traffic
450 vehicles/day
Structure Number
000000000029691

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether F20 220TH TRL 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 F20 220TH TRL against other structures in Iowa 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 F20 220TH TRL?

F20 220TH TRL in Iowa, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is F20 220TH TRL inspected?

F20 220TH TRL'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 450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. F20 220TH TRL 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 F20 220TH TRL?

F20 220TH TRL has an NBI inventory load rating of 35.0 metric tons.

Who is responsible for maintaining F20 220TH TRL?

F20 220TH TRL is owned and maintained by County Highway Agency.

How old is F20 220TH TRL and does age affect safety?

F20 220TH TRL was built in 1978, making it 48 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.