ZOO ACCESS ROAD
Carrying ZOO ACCESS ROAD over ROCK CREEK
ADJACENT TO PARKING LOT E, District of Columbia, District of Columbia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ZOO ACCESS ROAD
The ZOO ACCESS ROAD bridge in District of Columbia, District of Columbia carries ZOO ACCESS ROAD over ROCK CREEK. It was built in 1915, making it 111 years old today. The structure is built primarily of concrete and spans 1 section, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 3,500 vehicles, placing it in the moderately-trafficked tier of District of Columbia bridges.
The latest FHWA inspection records show superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 18.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ZOO ACCESS ROAD 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 How the historical reference is calculated.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
- 1915
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 24.4 m (80 ft)
- Deck Width
- 11.0 m (36 ft)
- Avg Daily Traffic
- 3,500 vehicles/day
- Structure Number
- 2180002P0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • 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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether ZOO ACCESS 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 ZOO ACCESS ROAD 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 ZOO ACCESS ROAD?
ZOO ACCESS ROAD in District of Columbia, District of Columbia, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is ZOO ACCESS ROAD inspected?
ZOO ACCESS 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 3,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ZOO ACCESS 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 ZOO ACCESS ROAD?
ZOO ACCESS ROAD has an NBI inventory load rating of 18.4 metric tons.
Who is responsible for maintaining ZOO ACCESS ROAD?
Ownership is not specified for ZOO ACCESS ROAD in the NBI.
How old is ZOO ACCESS ROAD and does age affect safety?
ZOO ACCESS ROAD was built in 1915, making it 111 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.