FHWA NBI 2024 Inspection record Public-domain dataset

IR 75

Carrying IR 75 over LOST CREEK

.08 mi. N of SR 309, Allen, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: IR 75

The IR 75 bridge in Allen, Ohio carries IR 75 over LOST CREEK. It was built in 2014, making it 12 years old today. The structure is built primarily of steel and spans 2 sections, stretching 11.2 meters (37 feet) end to end. Daily traffic averages 39,060 vehicles, placing it in the heavily-trafficked tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. 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 32.4 metric tons.

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

How IR 75 compares

▼ 5.1
Load rating vs Ohio average (37.5 t)
Bottom 26%
Lower load rating than 74% of Ohio bridges
367
Bridges in Allen · 36 in Poor condition
IR 75 32.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
70.0 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
0.0
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2014
Material
Steel
Number of Spans
2
Structure Length
11.2 m (37 ft)
Owner
State Highway Agency
Avg Daily Traffic
39,060 vehicles/day
Structure Number
0202061

How to read this record

This page shows what the last federal inspection recorded, not whether IR 75 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 IR 75 against other structures in Allen and across Ohio. Ohio 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 IR 75?

IR 75 in Allen, Ohio on the FHWA's 0–9 scale.

How often is IR 75 inspected?

IR 75'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 39,060 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IR 75 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 IR 75?

IR 75 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining IR 75?

IR 75 is owned and maintained by State Highway Agency.

How old is IR 75 and does age affect safety?

IR 75 was built in 2014, making it 12 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.