FHWA NBI 2024 Inspection record Public-domain dataset

BLO CR 23

Carrying BLO CR 23 over AICHHOLZ DITCH

.5 MI S OF CR 12, Seneca, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
22 t Inventory load rating

Bridge Snapshot: BLO CR 23

The BLO CR 23 bridge in Seneca, Ohio carries BLO CR 23 over AICHHOLZ DITCH. It was built in 1940, making it 86 years old today. It was last reconstructed in 1978, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 144 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 6/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 22.0 metric tons.

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

How BLO CR 23 compares

▼ 15.5
Load rating vs Ohio average (37.5 t)
Bottom 8%
Lower load rating than 92% of Ohio bridges
275
Bridges in Seneca · 4 in Poor condition
BLO CR 23 22.0 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
80.0 / 100 - historical 80–100 band
Structural adequacy /55
44.1
Serviceability /30
29.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
22.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1940
Last Reconstructed
1978
Material
Steel
Number of Spans
1
Structure Length
10.7 m (35 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
144 vehicles/day
Structure Number
7433425

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 BLO CR 23 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 BLO CR 23 against other structures in Seneca 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 BLO CR 23?

BLO CR 23 in Seneca, Ohio has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is BLO CR 23 inspected?

BLO CR 23'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 144 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BLO CR 23 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 BLO CR 23?

BLO CR 23 has an NBI inventory load rating of 22.0 metric tons.

Who is responsible for maintaining BLO CR 23?

BLO CR 23 is owned and maintained by County Highway Agency.

How old is BLO CR 23 and does age affect safety?

BLO CR 23 was built in 1940, making it 86 years old and last reconstructed in 1978.

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.