FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY ROAD 148

Carrying COUNTY ROAD 148 over BR OVER GRAVE CREEK

.1 MI E OF JCT CR 132, Marion, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating

Bridge Snapshot: COUNTY ROAD 148

The COUNTY ROAD 148 bridge in Marion, Ohio carries COUNTY ROAD 148 over BR OVER GRAVE CREEK. It was built in 1974, making it 52 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.0 meters (59 feet) end to end. Daily traffic averages 629 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 5/9, superstructure at 5/9, substructure at 8/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 45.4 metric tons.

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

How COUNTY ROAD 148 compares

▲ 7.9
Load rating vs Ohio average (37.5 t)
Top 24%
Higher load rating than 76% of Ohio bridges
229
Bridges in Marion · 5 in Poor condition
COUNTY ROAD 148 45.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
85.9 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
27.0
Essentiality /15
14.9
Special reductions
−1.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
8/9
Good (7–9)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1974
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.0 m (59 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
629 vehicles/day
Structure Number
5132487

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • 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 good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY ROAD 148 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 ROAD 148 against other structures in Marion 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 ROAD 148?

COUNTY ROAD 148 in Marion, Ohio has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is COUNTY ROAD 148 inspected?

COUNTY ROAD 148'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 629 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY ROAD 148 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 COUNTY ROAD 148?

COUNTY ROAD 148 has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining COUNTY ROAD 148?

COUNTY ROAD 148 is owned and maintained by County Highway Agency.

How old is COUNTY ROAD 148 and does age affect safety?

COUNTY ROAD 148 was built in 1974, making it 52 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.