SOUTH MARKET STREE
Carrying SOUTH MARKET STREE over CARROLL CREEK
510' SOUTH OF MD 144, Frederick, Maryland
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SOUTH MARKET STREE
The SOUTH MARKET STREE bridge in Frederick, Maryland carries SOUTH MARKET STREE over CARROLL CREEK. It was built in 1988, making it 38 years old today. The structure is built primarily of concrete and spans 1 section, stretching 31.7 meters (104 feet) end to end. Daily traffic averages 8,900 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. 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 37.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SOUTH MARKET STREE compares
Live comparison across Maryland.
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 How the historical reference is calculated.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
- 1988
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 31.7 m (104 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 8,900 vehicles/day
- Structure Number
- 200000F-F-06020
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • 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 SOUTH MARKET STREE 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 SOUTH MARKET STREE against other structures in Frederick 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 SOUTH MARKET STREE?
SOUTH MARKET STREE in Frederick, Maryland has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SOUTH MARKET STREE inspected?
SOUTH MARKET STREE'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 8,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SOUTH MARKET STREE 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 SOUTH MARKET STREE?
SOUTH MARKET STREE has an NBI inventory load rating of 37.2 metric tons.
Who is responsible for maintaining SOUTH MARKET STREE?
SOUTH MARKET STREE is owned and maintained by City/Municipal Highway Agency.
How old is SOUTH MARKET STREE and does age affect safety?
SOUTH MARKET STREE was built in 1988, making it 38 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.