FHWA NBI 2024 Inspection record Public-domain dataset

IRR 5650C

Carrying IRR 5650C over CREEK

3.8 NE C/L, Okmulgee, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
17 t Inventory load rating

Bridge Snapshot: IRR 5650C

The IRR 5650C bridge in Okmulgee, Oklahoma carries IRR 5650C over CREEK. It was built in 1959, making it 67 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 1,200 vehicles, placing it in the moderately-trafficked tier of Oklahoma bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 17.0 metric tons.

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

How IRR 5650C compares

▼ 15.4
Load rating vs Oklahoma average (32.4 t)
Bottom 7%
Lower load rating than 93% of Oklahoma bridges
305
Bridges in Okmulgee · 52 in Poor condition
IRR 5650C 17.0 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
62.1 / 100 - historical 50–79.9 band
Structural adequacy /55
35.3
Serviceability /30
12.2
Essentiality /15
14.5
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 How the historical reference is calculated.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
8/9
Good (7–9)
Inventory Load Rating
17.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1959
Material
Concrete
Number of Spans
3
Structure Length
12.2 m (40 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,200 vehicles/day
Structure Number
143040000000000

How to read this record

This page shows what the last federal inspection recorded, not whether IRR 5650C 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 5650C against other structures in Okmulgee 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 5650C?

IRR 5650C in Okmulgee, Oklahoma on the FHWA's 0–9 scale.

How often is IRR 5650C inspected?

IRR 5650C'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 1,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR 5650C 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 IRR 5650C?

IRR 5650C has an NBI inventory load rating of 17.0 metric tons.

Who is responsible for maintaining IRR 5650C?

IRR 5650C is owned and maintained by County Highway Agency.

How old is IRR 5650C and does age affect safety?

IRR 5650C was built in 1959, making it 67 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.