FHWA NBI 2024 Inspection record Public-domain dataset

SR 510

Carrying SR 510 over LITTLE RACCOON CREEK

0.27 Mi. N of SR 412, Sandusky, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
23 t Inventory load rating

Bridge Snapshot: SR 510

The SR 510 bridge in Sandusky, Ohio carries SR 510 over LITTLE RACCOON CREEK. It was built in 1954, making it 72 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 408 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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 22.7 metric tons.

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

How SR 510 compares

▼ 14.8
Load rating vs Ohio average (37.5 t)
Bottom 8%
Lower load rating than 92% of Ohio bridges
303
Bridges in Sandusky · 4 in Poor condition
SR 510 22.7 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
89.6 / 100 - historical 80–100 band
Structural adequacy /55
45.2
Serviceability /30
30.0
Essentiality /15
14.4
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 How the historical reference is calculated.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
22.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1954
Material
Concrete
Number of Spans
2
Structure Length
12.5 m (41 ft)
Owner
State Highway Agency
Avg Daily Traffic
408 vehicles/day
Structure Number
7203217

How to read this record

This page shows what the last federal inspection recorded, not whether SR 510 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 510 against other structures in Sandusky 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 510?

SR 510 in Sandusky, Ohio on the FHWA's 0–9 scale.

How often is SR 510 inspected?

SR 510'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 408 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 510 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 510?

SR 510 has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining SR 510?

SR 510 is owned and maintained by State Highway Agency.

How old is SR 510 and does age affect safety?

SR 510 was built in 1954, making it 72 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.