FHWA NBI 2024 Inspection record Public-domain dataset

N3160

Carrying N3160 over PEAVINE CREEK

2.5E .1N OF I35/WATERLOO, Logan, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
10 t Inventory load rating

Bridge Snapshot: N3160

The N3160 bridge in Logan, Oklahoma carries N3160 over PEAVINE CREEK. It was built in 1984, making it 42 years old today. The structure is built primarily of steel and spans 4 sections, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 250 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 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 10.0 metric tons.

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

How N3160 compares

▼ 22.4
Load rating vs Oklahoma average (32.4 t)
Bottom 2%
Lower load rating than 98% of Oklahoma bridges
280
Bridges in Logan · 56 in Poor condition
N3160 10.0 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
40.9 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
26.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
10.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1984
Material
Steel
Number of Spans
4
Structure Length
11.9 m (39 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
250 vehicles/day
Structure Number
207470000000000

How to read this record

N3160 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 N3160 against other structures in Logan 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 N3160?

N3160 in Logan, Oklahoma on the FHWA's 0–9 scale.

How often is N3160 inspected?

N3160'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 250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N3160 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 N3160?

N3160 has an NBI inventory load rating of 10.0 metric tons.

Who is responsible for maintaining N3160?

N3160 is owned and maintained by County Highway Agency.

How old is N3160 and does age affect safety?

N3160 was built in 1984, making it 42 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.