FHWA NBI 2024 Inspection record Public-domain dataset

BLO-33 SLOUGH RD

Carrying BLO-33 SLOUGH RD over T WALNUT CR(SLOUGH RD NW

0.6 MI W OF C.R. 25, Fairfield, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
49 t Inventory load rating

Bridge Snapshot: BLO-33 SLOUGH RD

The BLO-33 SLOUGH RD bridge in Fairfield, Ohio carries BLO-33 SLOUGH RD over T WALNUT CR(SLOUGH RD NW. It was built in 1994, making it 32 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 366 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 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 48.6 metric tons.

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

How BLO-33 SLOUGH RD compares

▲ 11.1
Load rating vs Ohio average (37.5 t)
Top 18%
Higher load rating than 82% of Ohio bridges
320
Bridges in Fairfield · 16 in Poor condition
BLO-33 SLOUGH RD 48.6 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
77.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
17.2
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
48.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1994
Material
Steel
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
366 vehicles/day
Structure Number
2334933

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 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether BLO-33 SLOUGH 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 BLO-33 SLOUGH RD against other structures in Fairfield 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-33 SLOUGH RD?

BLO-33 SLOUGH RD in Fairfield, Ohio has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is BLO-33 SLOUGH RD inspected?

BLO-33 SLOUGH 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 366 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BLO-33 SLOUGH RD 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-33 SLOUGH RD?

BLO-33 SLOUGH RD has an NBI inventory load rating of 48.6 metric tons.

Who is responsible for maintaining BLO-33 SLOUGH RD?

BLO-33 SLOUGH RD is owned and maintained by County Highway Agency.

How old is BLO-33 SLOUGH RD and does age affect safety?

BLO-33 SLOUGH RD was built in 1994, making it 32 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.

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.