FHWA NBI 2024 Inspection record Public-domain dataset

IRR E0060

Carrying IRR E0060 over TAR CREEK

0.5 MI E OF COMMERCE, Ottawa, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: IRR E0060

The IRR E0060 bridge in Ottawa, Oklahoma carries IRR E0060 over TAR CREEK. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 61.0 meters (200 feet) end to end. Daily traffic averages 500 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 4/9, superstructure at 8/9, substructure at 7/9. 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 31.8 metric tons.

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

How IRR E0060 compares

▼ 0.6
Load rating vs Oklahoma average (32.4 t)
Bottom 48%
Lower load rating than 52% of Oklahoma bridges
265
Bridges in Ottawa · 58 in Poor condition
IRR E0060 31.8 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
89.6 / 100 - historical 80–100 band
Structural adequacy /55
54.8
Serviceability /30
21.0
Essentiality /15
14.8
Special reductions
−1.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
31.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1996
Material
Prestressed Concrete
Number of Spans
4
Structure Length
61.0 m (200 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
500 vehicles/day
Structure Number
248310000000000

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

IRR E0060 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 IRR E0060 against other structures in Ottawa 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 E0060?

IRR E0060 in Ottawa, Oklahoma has a deck rating of 4/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IRR E0060 inspected?

IRR E0060'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 500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR E0060 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 IRR E0060?

IRR E0060 has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining IRR E0060?

IRR E0060 is owned and maintained by County Highway Agency.

How old is IRR E0060 and does age affect safety?

IRR E0060 was built in 1996, making it 30 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.