FHWA NBI 2024 Inspection record Public-domain dataset

INDIAN RD./ N4516

Carrying INDIAN RD./ N4516 over PETTIT CREEK

3.0 S OF KEYS SH 82, Cherokee, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating

Bridge Snapshot: INDIAN RD./ N4516

The INDIAN RD./ N4516 bridge in Cherokee, Oklahoma carries INDIAN RD./ N4516 over PETTIT CREEK. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 16.8 meters (55 feet) end to end. Daily traffic averages 650 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 culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 22.7 metric tons.

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

How INDIAN RD./ N4516 compares

▼ 9.7
Load rating vs Oklahoma average (32.4 t)
Bottom 30%
Lower load rating than 70% of Oklahoma bridges
203
Bridges in Cherokee · 22 in Poor condition
INDIAN RD./ N4516 22.7 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
86.6 / 100 - historical 80–100 band
Structural adequacy /55
45.2
Serviceability /30
30.0
Essentiality /15
14.4
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Concrete
Number of Spans
3
Structure Length
16.8 m (55 ft)
Deck Width
12.2 m (40 ft)
Owner
County Highway Agency
Avg Daily Traffic
650 vehicles/day
Structure Number
157110000000000

How to read this record

This page shows what the last federal inspection recorded, not whether INDIAN RD./ N4516 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 INDIAN RD./ N4516 against other structures in Cherokee 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 INDIAN RD./ N4516?

INDIAN RD./ N4516 in Cherokee, Oklahoma on the FHWA's 0–9 scale.

How often is INDIAN RD./ N4516 inspected?

INDIAN RD./ N4516'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 650 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. INDIAN RD./ N4516 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 INDIAN RD./ N4516?

INDIAN RD./ N4516 has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining INDIAN RD./ N4516?

INDIAN RD./ N4516 is owned and maintained by County Highway Agency.

How old is INDIAN RD./ N4516 and does age affect safety?

INDIAN RD./ N4516 was built in 1963, making it 63 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.