TREATMENT PLANT RD
Carrying TREATMENT PLANT RD over OTTAWA RIVER
LIMA SEWAGE PLANT ENTRY, Allen, Ohio
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TREATMENT PLANT RD
The TREATMENT PLANT RD bridge in Allen, Ohio carries TREATMENT PLANT RD over OTTAWA RIVER. It was built in 1930, making it 96 years old today. It was last reconstructed in 1974, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 37.8 meters (124 feet) end to end. Daily traffic averages 983 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TREATMENT PLANT RD compares
Live comparison across Ohio.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1930
- Last Reconstructed
- 1974
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 37.8 m (124 ft)
- Deck Width
- 7.0 m (23 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 983 vehicles/day
- Structure Number
- 0260150
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • 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 TREATMENT PLANT RD 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 TREATMENT PLANT RD 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 TREATMENT PLANT RD?
TREATMENT PLANT RD in Allen, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is TREATMENT PLANT RD inspected?
TREATMENT PLANT RD'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 983 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TREATMENT PLANT RD 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 TREATMENT PLANT RD?
TREATMENT PLANT RD has an NBI inventory load rating of 29.2 metric tons.
Who is responsible for maintaining TREATMENT PLANT RD?
TREATMENT PLANT RD is owned and maintained by City/Municipal Highway Agency.
How old is TREATMENT PLANT RD and does age affect safety?
TREATMENT PLANT RD was built in 1930, making it 96 years old and last reconstructed in 1974.
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.
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.