FHWA NBI 2024 Inspection record Public-domain dataset

OKLAHOMA ROAD

Carrying OKLAHOMA ROAD over SNOWDEN RUN

1.0 MILES NORTH OF MD 26, Carroll, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
100 t Inventory load rating

Bridge Snapshot: OKLAHOMA ROAD

The OKLAHOMA ROAD bridge in Carroll, Maryland carries OKLAHOMA ROAD over SNOWDEN RUN. It was built in 1971, making it 55 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of concrete, stretching 14.1 meters (46 feet) end to end. Daily traffic averages 3,466 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 99.9 metric tons.

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

How OKLAHOMA ROAD compares

▲ 48.8
Load rating vs Maryland average (51.1 t)
Top 12%
Higher load rating than 88% of Maryland bridges
205
Bridges in Carroll · 11 in Poor condition
OKLAHOMA ROAD 99.9 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
88.1 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
14.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1971
Last Reconstructed
1995
Material
Concrete
Structure Length
14.1 m (46 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,466 vehicles/day
Structure Number
200000CL0336030

How to read this record

This page shows what the last federal inspection recorded, not whether OKLAHOMA ROAD 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 OKLAHOMA ROAD against other structures in Carroll and across Maryland. Maryland 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 OKLAHOMA ROAD?

OKLAHOMA ROAD in Carroll, Maryland on the FHWA's 0–9 scale.

How often is OKLAHOMA ROAD inspected?

OKLAHOMA ROAD'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 3,466 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OKLAHOMA ROAD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for OKLAHOMA ROAD?

OKLAHOMA ROAD has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining OKLAHOMA ROAD?

OKLAHOMA ROAD is owned and maintained by County Highway Agency.

How old is OKLAHOMA ROAD and does age affect safety?

OKLAHOMA ROAD was built in 1971, making it 55 years old and last reconstructed in 1995.

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.