ROCK CREEK PARKWAY
Carrying ROCK CREEK PARKWAY over ROCK CREEK
1.0 MILES FROM P STREET, District of Columbia, District of Columbia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ROCK CREEK PARKWAY
The ROCK CREEK PARKWAY bridge in District of Columbia, District of Columbia carries ROCK CREEK PARKWAY over ROCK CREEK. It was built in 1937, making it 89 years old today. It was last reconstructed in 1987, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 27.1 meters (89 feet) end to end. Daily traffic averages 42,250 vehicles, placing it in the heavily-trafficked tier of District of Columbia bridges. It is owned and maintained by National Park Service.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. 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 32.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ROCK CREEK PARKWAY compares
Live comparison across District of Columbia.
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 How the historical reference is calculated.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
- 1937
- Last Reconstructed
- 1987
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 27.1 m (89 ft)
- Deck Width
- 16.9 m (55 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 42,250 vehicles/day
- Structure Number
- 3450004P0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • 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) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether ROCK CREEK PARKWAY 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 ROCK CREEK PARKWAY against other structures in District of Columbia and across District of Columbia. District of Columbia 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 ROCK CREEK PARKWAY?
ROCK CREEK PARKWAY in District of Columbia, District of Columbia has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is ROCK CREEK PARKWAY inspected?
ROCK CREEK PARKWAY'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 42,250 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROCK CREEK PARKWAY 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 ROCK CREEK PARKWAY?
ROCK CREEK PARKWAY has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining ROCK CREEK PARKWAY?
ROCK CREEK PARKWAY is owned and maintained by National Park Service.
How old is ROCK CREEK PARKWAY and does age affect safety?
ROCK CREEK PARKWAY was built in 1937, making it 89 years old and last reconstructed in 1987.
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.