N3180 WESTMINISTER
Carrying N3180 WESTMINISTER over COFFEE CREEK
.1N of RTE 66, Oklahoma, Oklahoma
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: N3180 WESTMINISTER
The N3180 WESTMINISTER bridge in Oklahoma, Oklahoma carries N3180 WESTMINISTER over COFFEE CREEK. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 3 sections, stretching 25.9 meters (85 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 29.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How N3180 WESTMINISTER compares
Live comparison across Oklahoma.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1965
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 25.9 m (85 ft)
- Deck Width
- 7.0 m (23 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- 322190000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
How to read this record
N3180 WESTMINISTER 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 N3180 WESTMINISTER against other structures in Oklahoma 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 N3180 WESTMINISTER?
N3180 WESTMINISTER in Oklahoma, Oklahoma has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is N3180 WESTMINISTER inspected?
N3180 WESTMINISTER'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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N3180 WESTMINISTER 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 N3180 WESTMINISTER?
N3180 WESTMINISTER has an NBI inventory load rating of 29.9 metric tons.
Who is responsible for maintaining N3180 WESTMINISTER?
N3180 WESTMINISTER is owned and maintained by City/Municipal Highway Agency.
How old is N3180 WESTMINISTER and does age affect safety?
N3180 WESTMINISTER was built in 1965, making it 61 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.
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.