FHWA NBI 2024 Inspection record Public-domain dataset

RTE 18

Carrying RTE 18 over OAK ORCHARD CREEK

JCT RTE18+0AK ORCHARD CK, Orleans, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating

Bridge Snapshot: RTE 18

The RTE 18 bridge in Orleans, New York carries RTE 18 over OAK ORCHARD CREEK. It was built in 1936, making it 90 years old today. It was last reconstructed in 1998, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 99.4 meters (326 feet) end to end. Daily traffic averages 1,418 vehicles, placing it in the moderately-trafficked tier of New York bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 24.5 metric tons.

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

How RTE 18 compares

▼ 17.4
Load rating vs New York average (41.9 t)
Bottom 13%
Lower load rating than 87% of New York bridges
137
Bridges in Orleans · 19 in Poor condition
RTE 18 24.5 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
38.9 / 100 - historical 20–49.9 band
Structural adequacy /55
22.8
Serviceability /30
6.0
Essentiality /15
10.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1936
Last Reconstructed
1998
Material
Steel
Number of Spans
1
Structure Length
99.4 m (326 ft)
Deck Width
8.8 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,418 vehicles/day
Structure Number
000000001014720

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

RTE 18 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare RTE 18 against other structures in Orleans and across New York. New York 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 RTE 18?

RTE 18 in Orleans, New York has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RTE 18 inspected?

RTE 18'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 1,418 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RTE 18 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for RTE 18?

RTE 18 has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining RTE 18?

RTE 18 is owned and maintained by State Highway Agency.

How old is RTE 18 and does age affect safety?

RTE 18 was built in 1936, making it 90 years old and last reconstructed in 1998.

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.