FHWA NBI 2024 Inspection record Public-domain dataset

OLD HWY 33

Carrying OLD HWY 33 over DRIPPING SPRINGS CREEK

5.5 MI W SILOAM SPRING, Delaware, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating

Bridge Snapshot: OLD HWY 33

The OLD HWY 33 bridge in Delaware, Oklahoma carries OLD HWY 33 over DRIPPING SPRINGS CREEK. It was built in 1975, making it 51 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.0 meters (23 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 37.3 metric tons.

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

How OLD HWY 33 compares

▲ 4.9
Load rating vs Oklahoma average (32.4 t)
Top 25%
Higher load rating than 75% of Oklahoma bridges
159
Bridges in Delaware · 28 in Poor condition
OLD HWY 33 37.3 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
37.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1975
Material
Concrete
Number of Spans
2
Structure Length
7.0 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
188510000000000

How to read this record

This page shows what the last federal inspection recorded, not whether OLD HWY 33 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 OLD HWY 33 against other structures in Delaware 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 OLD HWY 33?

OLD HWY 33 in Delaware, Oklahoma on the FHWA's 0–9 scale.

How often is OLD HWY 33 inspected?

OLD HWY 33'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. OLD HWY 33 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for OLD HWY 33?

OLD HWY 33 has an NBI inventory load rating of 37.3 metric tons.

Who is responsible for maintaining OLD HWY 33?

OLD HWY 33 is owned and maintained by County Highway Agency.

How old is OLD HWY 33 and does age affect safety?

OLD HWY 33 was built in 1975, making it 51 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.