FHWA NBI 2024 Inspection record Public-domain dataset

N3130

Carrying N3130 over DOE CREEK

4.7W 5N OF I-35/SH11, Kay, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
44 t Inventory load rating

Bridge Snapshot: N3130

The N3130 bridge in Kay, Oklahoma carries N3130 over DOE CREEK. It was built in 1950, making it 76 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 50 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 6/9, substructure at 6/9. 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 43.5 metric tons.

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

How N3130 compares

▲ 11.1
Load rating vs Oklahoma average (32.4 t)
Top 15%
Higher load rating than 85% of Oklahoma bridges
414
Bridges in Kay · 25 in Poor condition
N3130 43.5 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
73.5 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
6.5
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
43.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Material
Steel Continuous
Number of Spans
2
Structure Length
9.4 m (31 ft)
Deck Width
5.2 m (17 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
116350000000000

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

N3130 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 N3130 against other structures in Kay 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 N3130?

N3130 in Kay, Oklahoma has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is N3130 inspected?

N3130'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N3130 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 N3130?

N3130 has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining N3130?

N3130 is owned and maintained by County Highway Agency.

How old is N3130 and does age affect safety?

N3130 was built in 1950, making it 76 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.