ROCK CREEK & POTOM
Carrying ROCK CREEK & POTOM over NPS STORAGE AREA
0.1 miles west of Lincoln, District of Columbia, District of Columbia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ROCK CREEK & POTOM
The ROCK CREEK & POTOM bridge in District of Columbia, District of Columbia carries ROCK CREEK & POTOM over NPS STORAGE AREA. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete and spans 36 sections, stretching 284.1 meters (932 feet) end to end. Daily traffic averages 13,383 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 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ROCK CREEK & POTOM 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 How the historical reference is calculated.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
- 1934
- Material
- Concrete
- Number of Spans
- 36
- Structure Length
- 284.1 m (932 ft)
- Deck Width
- 20.5 m (67 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 13,383 vehicles/day
- Structure Number
- 3400036P0000000
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.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether ROCK CREEK & POTOM 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 & POTOM 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 & POTOM?
ROCK CREEK & POTOM in District of Columbia, District of Columbia has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is ROCK CREEK & POTOM inspected?
ROCK CREEK & POTOM'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 13,383 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROCK CREEK & POTOM 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 & POTOM?
ROCK CREEK & POTOM has an NBI inventory load rating of 20.9 metric tons.
Who is responsible for maintaining ROCK CREEK & POTOM?
ROCK CREEK & POTOM is owned and maintained by National Park Service.
How old is ROCK CREEK & POTOM and does age affect safety?
ROCK CREEK & POTOM was built in 1934, making it 92 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.