FHWA NBI 2024 Inspection record Public-domain dataset

SR589

Carrying SR589 over BRANCH LOST CREEK

2.3 MI. S.OF JCT.USR36, Miami, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
29 t Inventory load rating

Bridge Snapshot: SR589

The SR589 bridge in Miami, Ohio carries SR589 over BRANCH LOST CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 1,662 vehicles, placing it in the moderately-trafficked tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure 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 29.2 metric tons.

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

How SR589 compares

▼ 8.3
Load rating vs Ohio average (37.5 t)
Bottom 19%
Lower load rating than 81% of Ohio bridges
315
Bridges in Miami · 22 in Poor condition
SR589 29.2 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
95.8 / 100 - historical 80–100 band
Structural adequacy /55
53.1
Serviceability /30
30.0
Essentiality /15
12.7
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1966
Material
Concrete Continuous
Number of Spans
3
Structure Length
34.7 m (114 ft)
Deck Width
11.0 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,662 vehicles/day
Structure Number
5504562

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 SR589 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 SR589 against other structures in Miami 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 SR589?

SR589 in Miami, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR589 inspected?

SR589'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 1,662 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR589 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 SR589?

SR589 has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining SR589?

SR589 is owned and maintained by State Highway Agency.

How old is SR589 and does age affect safety?

SR589 was built in 1966, making it 60 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.