FHWA NBI 2024 Inspection record Public-domain dataset

MD 850C

Carrying MD 850C over TALBOT BRANCH

0.03 M S OF FRANKLIN RD, Carroll, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
42 t Inventory load rating

Bridge Snapshot: MD 850C

The MD 850C bridge in Carroll, Maryland carries MD 850C over TALBOT BRANCH. It was built in 1931, making it 95 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 999 vehicles, placing it in the lower-traffic tier of Maryland bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 41.7 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How MD 850C compares

▼ 9.4
Load rating vs Maryland average (51.1 t)
Bottom 43%
Lower load rating than 57% of Maryland bridges
205
Bridges in Carroll · 11 in Poor condition
MD 850C 41.7 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
79.1 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
19.3
Essentiality /15
14.9
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
41.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1931
Material
Concrete
Number of Spans
1
Structure Length
7.0 m (23 ft)
Deck Width
9.5 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
999 vehicles/day
Structure Number
100000060042010

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MD 850C 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 MD 850C against other structures in Carroll 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 MD 850C?

MD 850C in Carroll, Maryland has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is MD 850C inspected?

MD 850C'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 999 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. MD 850C 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 MD 850C?

MD 850C has an NBI inventory load rating of 41.7 metric tons.

Who is responsible for maintaining MD 850C?

MD 850C is owned and maintained by State Highway Agency.

How old is MD 850C and does age affect safety?

MD 850C was built in 1931, making it 95 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.