FHWA NBI 2024 Inspection record Public-domain dataset

U.S. 270

Carrying U.S. 270 over SQUIRREL CREEK

4.9 MI S JCT SH 3, Pottawatomie, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: U.S. 270

The U.S. 270 bridge in Pottawatomie, Oklahoma carries U.S. 270 over SQUIRREL CREEK. It was built in 1961, making it 65 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 19.5 meters (64 feet) end to end. Daily traffic averages 11,700 vehicles, placing it in the heavily-trafficked tier of Oklahoma bridges. It is owned and maintained by State 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 34.6 metric tons.

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

How U.S. 270 compares

▲ 2.2
Load rating vs Oklahoma average (32.4 t)
Top 32%
Higher load rating than 68% of Oklahoma bridges
400
Bridges in Pottawatomie · 24 in Poor condition
U.S. 270 34.6 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
98.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.4
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
34.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1961
Material
Concrete
Number of Spans
5
Structure Length
19.5 m (64 ft)
Deck Width
23.2 m (76 ft)
Owner
State Highway Agency
Avg Daily Traffic
11,700 vehicles/day
Structure Number
153030000000000

How to read this record

This page shows what the last federal inspection recorded, not whether U.S. 270 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 U.S. 270 against other structures in Pottawatomie 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 U.S. 270?

U.S. 270 in Pottawatomie, Oklahoma on the FHWA's 0–9 scale.

How often is U.S. 270 inspected?

U.S. 270'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 11,700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. U.S. 270 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 U.S. 270?

U.S. 270 has an NBI inventory load rating of 34.6 metric tons.

Who is responsible for maintaining U.S. 270?

U.S. 270 is owned and maintained by State Highway Agency.

How old is U.S. 270 and does age affect safety?

U.S. 270 was built in 1961, making it 65 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.