Saint Louis Rd.
Carrying Saint Louis Rd. over BEAVERDAM CREEK
00.49FR733/00.50TO630, Loudoun, Virginia
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Saint Louis Rd. in Loudoun, Virginia sits above 15% of rated Virginia bridges on inventory load rating (31 t), while its 1932 build year is earlier than 94% of Loudoun's recorded-year cohort (442 bridges).
Saint Louis Rd. in Loudoun, Virginia is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1932, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure VA:000000000011155
PRE-1950 · CONCRETE · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Saint Louis Rd.
The Saint Louis Rd. bridge in Loudoun, Virginia carries Saint Louis Rd. over BEAVERDAM CREEK. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 2,578 vehicles, placing it in the moderately-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure 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.
How Saint Louis Rd. compares
Age against the county: built in 1932, earlier than 417 of Loudoun's 442 bridges with a recorded construction year (94%), against a county median build year of 1995. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Virginia bridges with a recorded inventory load rating (14,112 of 14,120 rated).
Saint Louis Rd. vs every rated Virginia bridge
Inventory load rating (metric tons), FHWA NBI, this state
31 Top 85% higher than 15% of 14,112 bridges
rated Virginia bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Loudoun inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 442 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1932
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 11.6 m (38 ft)
- Deck Width
- 6.7 m (22 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 2,578 vehicles/day
- Structure Number
- 000000000011155
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether Saint Louis Rd. 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 Saint Louis Rd. against other structures in Loudoun and across Virginia. Virginia 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 Saint Louis Rd.?
Saint Louis Rd. in Loudoun, Virginia has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is Saint Louis Rd. inspected?
Saint Louis Rd.'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 2,578 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Saint Louis Rd. 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 Saint Louis Rd.?
Saint Louis Rd. has an NBI inventory load rating of 30.8 metric tons.
Who is responsible for maintaining Saint Louis Rd.?
Saint Louis Rd. is owned and maintained by State Highway Agency.
How old is Saint Louis Rd. and does age affect safety?
Saint Louis Rd. was built in 1932, making it 94 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.