FHWA NBI 2024 Inspection record Public-domain dataset

GALLIA BLACKFORK

Carrying GALLIA BLACKFORK over BLACKFORK CR

1.25 MI S OF SR233, Jackson, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: GALLIA BLACKFORK

The GALLIA BLACKFORK bridge in Jackson, Ohio carries GALLIA BLACKFORK over BLACKFORK CR. It was built in 1953, making it 73 years old today. It was last reconstructed in 2003, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 17.1 meters (56 feet) end to end. Daily traffic averages 89 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 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 34.7 metric tons.

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

How GALLIA BLACKFORK compares

▼ 2.8
Load rating vs Ohio average (37.5 t)
Top 49%
Higher load rating than 51% of Ohio bridges
257
Bridges in Jackson · 22 in Poor condition
GALLIA BLACKFORK 34.7 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
85.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
23.0
Essentiality /15
15.0
Special reductions
−8.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
34.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1953
Last Reconstructed
2003
Material
Steel
Number of Spans
1
Structure Length
17.1 m (56 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
89 vehicles/day
Structure Number
4031709

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 GALLIA BLACKFORK 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 GALLIA BLACKFORK against other structures in Jackson 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 GALLIA BLACKFORK?

GALLIA BLACKFORK in Jackson, Ohio has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is GALLIA BLACKFORK inspected?

GALLIA BLACKFORK'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 89 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GALLIA BLACKFORK 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 GALLIA BLACKFORK?

GALLIA BLACKFORK has an NBI inventory load rating of 34.7 metric tons.

Who is responsible for maintaining GALLIA BLACKFORK?

GALLIA BLACKFORK is owned and maintained by County Highway Agency.

How old is GALLIA BLACKFORK and does age affect safety?

GALLIA BLACKFORK was built in 1953, making it 73 years old and last reconstructed in 2003.

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.