FHWA NBI 2024 Inspection record Public-domain dataset

SR 146 AND SR 821

Carrying SR 146 AND SR 821 over BUFFALO FORK

.02 M E OF JCT SR 821 N, Guernsey, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: SR 146 AND SR 821

The SR 146 AND SR 821 bridge in Guernsey, Ohio carries SR 146 AND SR 821 over BUFFALO FORK. It was built in 1973, making it 53 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 35.4 meters (116 feet) end to end. Daily traffic averages 2,398 vehicles, placing it in the moderately-trafficked tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. 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 33.4 metric tons.

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

How SR 146 AND SR 821 compares

▼ 4.1
Load rating vs Ohio average (37.5 t)
Bottom 49%
Lower load rating than 51% of Ohio bridges
350
Bridges in Guernsey · 32 in Poor condition
SR 146 AND SR 821 33.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
98.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1973
Material
Concrete Continuous
Number of Spans
3
Structure Length
35.4 m (116 ft)
Deck Width
13.4 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,398 vehicles/day
Structure Number
3003876

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 SR 146 AND SR 821 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 SR 146 AND SR 821 against other structures in Guernsey 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 SR 146 AND SR 821?

SR 146 AND SR 821 in Guernsey, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 146 AND SR 821 inspected?

SR 146 AND SR 821'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 2,398 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 146 AND SR 821 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 SR 146 AND SR 821?

SR 146 AND SR 821 has an NBI inventory load rating of 33.4 metric tons.

Who is responsible for maintaining SR 146 AND SR 821?

SR 146 AND SR 821 is owned and maintained by State Highway Agency.

How old is SR 146 AND SR 821 and does age affect safety?

SR 146 AND SR 821 was built in 1973, making it 53 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.