FHWA NBI 2024 Inspection record Public-domain dataset

TOWNSHIP ROAD 451

Carrying TOWNSHIP ROAD 451 over LAKE FORK MOHICAN RIVER

1.47 MI SOUTH OF SR 39, Holmes, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating

Bridge Snapshot: TOWNSHIP ROAD 451

The TOWNSHIP ROAD 451 bridge in Holmes, Ohio carries TOWNSHIP ROAD 451 over LAKE FORK MOHICAN RIVER. It was built in 1960, making it 66 years old today. It was last reconstructed in 1993, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 33.2 meters (109 feet) end to end. Daily traffic averages 96 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 16.2 metric tons.

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

How TOWNSHIP ROAD 451 compares

▼ 21.3
Load rating vs Ohio average (37.5 t)
Bottom 3%
Lower load rating than 97% of Ohio bridges
208
Bridges in Holmes · 6 in Poor condition
TOWNSHIP ROAD 451 16.2 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
43.8 / 100 - historical 20–49.9 band
Structural adequacy /55
23.8
Serviceability /30
13.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1960
Last Reconstructed
1993
Material
Steel
Number of Spans
1
Structure Length
33.2 m (109 ft)
Deck Width
4.3 m (14 ft)
Owner
County Highway Agency
Avg Daily Traffic
96 vehicles/day
Structure Number
3843114

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 TOWNSHIP ROAD 451 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 TOWNSHIP ROAD 451 against other structures in Holmes 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 TOWNSHIP ROAD 451?

TOWNSHIP ROAD 451 in Holmes, 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 TOWNSHIP ROAD 451 inspected?

TOWNSHIP ROAD 451'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 96 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TOWNSHIP ROAD 451 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 TOWNSHIP ROAD 451?

TOWNSHIP ROAD 451 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining TOWNSHIP ROAD 451?

TOWNSHIP ROAD 451 is owned and maintained by County Highway Agency.

How old is TOWNSHIP ROAD 451 and does age affect safety?

TOWNSHIP ROAD 451 was built in 1960, making it 66 years old and last reconstructed in 1993.

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.