FHWA NBI 2024 Inspection record Public-domain dataset

IRR E1800

Carrying IRR E1800 over CREEK

1.9W OF US 81 3N OF SH 53, Stephens, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: IRR E1800

The IRR E1800 bridge in Stephens, Oklahoma carries IRR E1800 over CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 35.4 metric tons.

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

How IRR E1800 compares

▲ 3.0
Load rating vs Oklahoma average (32.4 t)
Top 31%
Higher load rating than 69% of Oklahoma bridges
380
Bridges in Stephens · 10 in Poor condition
IRR E1800 35.4 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
91.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.8
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
35.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2010
Material
Steel
Number of Spans
1
Structure Length
10.7 m (35 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
299200000000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether IRR E1800 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 IRR E1800 against other structures in Stephens and across Oklahoma. Oklahoma 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 IRR E1800?

IRR E1800 in Stephens, Oklahoma has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is IRR E1800 inspected?

IRR E1800'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR E1800 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 IRR E1800?

IRR E1800 has an NBI inventory load rating of 35.4 metric tons.

Who is responsible for maintaining IRR E1800?

IRR E1800 is owned and maintained by County Highway Agency.

How old is IRR E1800 and does age affect safety?

IRR E1800 was built in 2010, making it 16 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.