TH128f
Carrying TH128f over DOWNING DITCH
0.20 MILES N OF CH39d, Wyandot, Ohio
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TH128f in Wyandot, Ohio sits above 48% of rated Ohio bridges on inventory load rating (33 t), while its 1956 build year is earlier than 90% of Wyandot's recorded-year cohort (236 bridges).
TH128f in Wyandot, Ohio is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1956, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure OH:8846898
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: TH128f
The TH128f bridge in Wyandot, Ohio carries TH128f over DOWNING DITCH. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 6.9 meters (23 feet) end to end. Daily traffic averages 114 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 culvert 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.
How TH128f compares
Age against the county: built in 1956, earlier than 213 of Wyandot's 236 bridges with a recorded construction year (90%), against a county median build year of 1985. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Ohio bridges with a recorded inventory load rating (26,729 rated).
TH128f vs every rated Ohio bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 52% higher than 48% of 26,729 bridges
rated Ohio bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Wyandot inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 236 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1956
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 6.9 m (23 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 114 vehicles/day
- Structure Number
- 8846898
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
TH128f 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 TH128f against other structures in Wyandot 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 TH128f?
TH128f in Wyandot, Ohio on the FHWA's 0–9 scale.
How often is TH128f inspected?
TH128f'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 114 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TH128f 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 TH128f?
TH128f has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining TH128f?
TH128f is owned and maintained by County Highway Agency.
How old is TH128f and does age affect safety?
TH128f was built in 1956, making it 70 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.