FHWA NBI 2024 Inspection record Public-domain dataset

UNDERWOOD ROAD

Carrying UNDERWOOD ROAD over PYMATUNING CREEK

.3 MI. E. OF KIDDLE ROAD, Ashtabula, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
52 t Inventory load rating

Bridge Snapshot: UNDERWOOD ROAD

The UNDERWOOD ROAD bridge in Ashtabula, Ohio carries UNDERWOOD ROAD over PYMATUNING CREEK. It was built in 1900, making it 126 years old today. The structure is built primarily of steel and spans 2 sections, stretching 38.3 meters (126 feet) end to end. Daily traffic averages 324 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 7/9, substructure at 7/9. 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 51.8 metric tons.

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

How UNDERWOOD ROAD compares

▲ 14.3
Load rating vs Ohio average (37.5 t)
Top 13%
Higher load rating than 87% of Ohio bridges
305
Bridges in Ashtabula · 11 in Poor condition
UNDERWOOD ROAD 51.8 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
71.7 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
10.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
51.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1900
Material
Steel
Number of Spans
2
Structure Length
38.3 m (126 ft)
Deck Width
4.9 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
324 vehicles/day
Structure Number
0433349

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 UNDERWOOD ROAD 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 UNDERWOOD ROAD against other structures in Ashtabula 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 UNDERWOOD ROAD?

UNDERWOOD ROAD in Ashtabula, Ohio has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is UNDERWOOD ROAD inspected?

UNDERWOOD ROAD'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 324 vehicles per day.

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

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

UNDERWOOD ROAD has an NBI inventory load rating of 51.8 metric tons.

Who is responsible for maintaining UNDERWOOD ROAD?

UNDERWOOD ROAD is owned and maintained by County Highway Agency.

How old is UNDERWOOD ROAD and does age affect safety?

UNDERWOOD ROAD 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.