FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD 312

Carrying COUNTY RD 312 over DETRICK JORDON O EF DONN

100 FEET W OF MYERS RD, Clark, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: COUNTY RD 312

The COUNTY RD 312 bridge in Clark, Ohio carries COUNTY RD 312 over DETRICK JORDON O EF DONN. It was built in 1900, making it 126 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 785 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

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

How COUNTY RD 312 compares

▼ 5.1
Load rating vs Ohio average (37.5 t)
Bottom 26%
Lower load rating than 74% of Ohio bridges
340
Bridges in Clark
COUNTY RD 312 32.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
97.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
14.8
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1900
Material
Steel
Number of Spans
2
Structure Length
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
785 vehicles/day
Structure Number
1231456

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD 312 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 COUNTY RD 312 against other structures in Clark 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 COUNTY RD 312?

COUNTY RD 312 in Clark, Ohio on the FHWA's 0–9 scale.

How often is COUNTY RD 312 inspected?

COUNTY RD 312'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 785 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD 312 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 COUNTY RD 312?

COUNTY RD 312 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining COUNTY RD 312?

COUNTY RD 312 is owned and maintained by County Highway Agency.

How old is COUNTY RD 312 and does age affect safety?

COUNTY RD 312 was built in 1900, making it 126 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.