FHWA NBI 2024 Inspection record Public-domain dataset

RAIL AVE

Carrying RAIL AVE over SMALL STREAM

091201404, Franklin, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
10 t Inventory load rating

Bridge Snapshot: RAIL AVE

The RAIL AVE bridge in Franklin, Iowa carries RAIL AVE over SMALL STREAM. It was built in 1952, making it 74 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 29 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 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 10.2 metric tons.

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

How RAIL AVE compares

▼ 20.7
Load rating vs Iowa average (30.9 t)
Bottom 3%
Lower load rating than 97% of Iowa bridges
214
Bridges in Franklin · 29 in Poor condition
RAIL AVE 10.2 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
32.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
17.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
10.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1952
Material
Wood or Timber
Number of Spans
2
Structure Length
12.8 m (42 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
29 vehicles/day
Structure Number
000000000156940

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates poor at 3/9, advanced deterioration that should be prioritized for repair.

How to read this record

RAIL AVE 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 RAIL AVE 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 RAIL AVE?

RAIL AVE in Franklin, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is RAIL AVE inspected?

RAIL AVE'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 29 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RAIL AVE 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 RAIL AVE?

RAIL AVE has an NBI inventory load rating of 10.2 metric tons.

Who is responsible for maintaining RAIL AVE?

RAIL AVE is owned and maintained by County Highway Agency.

How old is RAIL AVE and does age affect safety?

RAIL AVE was built in 1952, making it 74 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.