FHWA NBI 2024 Inspection record Public-domain dataset

E0630

Carrying E0630 over TURKEY CREEK

.5S 1.2W OF HENNESSEY, Kingfisher, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: E0630

The E0630 bridge in Kingfisher, Oklahoma carries E0630 over TURKEY CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of steel and spans 4 sections, stretching 52.7 meters (173 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 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. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 23.6 metric tons.

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

How E0630 compares

▼ 8.8
Load rating vs Oklahoma average (32.4 t)
Bottom 31%
Lower load rating than 69% of Oklahoma bridges
294
Bridges in Kingfisher · 20 in Poor condition
E0630 23.6 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
68.5 / 100 - historical 50–79.9 band
Structural adequacy /55
46.5
Serviceability /30
10.0
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 How the historical reference is calculated.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
23.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1960
Material
Steel
Number of Spans
4
Structure Length
52.7 m (173 ft)
Deck Width
6.4 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
151370000000000

Condition Analysis

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

How to read this record

E0630 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 E0630 against other structures in Kingfisher 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 E0630?

E0630 in Kingfisher, 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 E0630 inspected?

E0630'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. E0630 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 E0630?

E0630 has an NBI inventory load rating of 23.6 metric tons.

Who is responsible for maintaining E0630?

E0630 is owned and maintained by County Highway Agency.

How old is E0630 and does age affect safety?

E0630 was built in 1960, making it 66 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.