C55E UNIONVILLE
Carrying C55E UNIONVILLE over BIG DARBY
2 MI NORTH OF SR 161, Union, Ohio
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: C55E UNIONVILLE
The C55E UNIONVILLE bridge in Union, Ohio carries C55E UNIONVILLE over BIG DARBY. It was built in 1970, making it 56 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 54.6 meters (179 feet) end to end. Daily traffic averages 480 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 9/9, superstructure at 9/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 38.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How C55E UNIONVILLE 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 How the historical reference is calculated.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
- 1970
- Last Reconstructed
- 2017
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 54.6 m (179 ft)
- Deck Width
- 8.5 m (28 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 480 vehicles/day
- Structure Number
- 8031169
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 9/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 9/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether C55E UNIONVILLE 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 C55E UNIONVILLE against other structures in Union 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 C55E UNIONVILLE?
C55E UNIONVILLE in Union, Ohio has a deck rating of 9/9, superstructure rating of 9/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is C55E UNIONVILLE inspected?
C55E UNIONVILLE'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 480 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. C55E UNIONVILLE 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 C55E UNIONVILLE?
C55E UNIONVILLE has an NBI inventory load rating of 38.9 metric tons.
Who is responsible for maintaining C55E UNIONVILLE?
C55E UNIONVILLE is owned and maintained by County Highway Agency.
How old is C55E UNIONVILLE and does age affect safety?
C55E UNIONVILLE was built in 1970, making it 56 years old and last reconstructed in 2017.
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.