FHWA NBI 2024 Inspection record Public-domain dataset

220TH STREET

Carrying 220TH STREET over OTTER CREEK

093203001, Franklin, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: 220TH STREET

The 220TH STREET bridge in Franklin, Iowa carries 220TH STREET over OTTER CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 25.0 meters (82 feet) end to end. Daily traffic averages 21 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 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 22.1 metric tons.

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

How 220TH STREET compares

▼ 8.8
Load rating vs Iowa average (30.9 t)
Bottom 25%
Lower load rating than 75% of Iowa bridges
214
Bridges in Franklin · 29 in Poor condition
220TH STREET 22.1 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
54.2 / 100 - historical 50–79.9 band
Structural adequacy /55
19.2
Serviceability /30
23.0
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
22.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
3
Structure Length
25.0 m (82 ft)
Deck Width
8.0 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
21 vehicles/day
Structure Number
000000000158391

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

220TH STREET is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare 220TH STREET against other structures in Franklin 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 220TH STREET?

220TH STREET in Franklin, Iowa has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is 220TH STREET inspected?

220TH STREET'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 21 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 220TH STREET is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 220TH STREET?

220TH STREET has an NBI inventory load rating of 22.1 metric tons.

Who is responsible for maintaining 220TH STREET?

220TH STREET is owned and maintained by County Highway Agency.

How old is 220TH STREET and does age affect safety?

220TH STREET was built in 1972, making it 54 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.