FHWA NBI 2024 Inspection record Public-domain dataset

MD 136

Carrying MD 136 over FALLING BRANCH

0.55 MILE NORTH OF MD 24, Harford, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
49 t Inventory load rating

Bridge Snapshot: MD 136

The MD 136 bridge in Harford, Maryland carries MD 136 over FALLING BRANCH. It was built in 1931, making it 95 years old today. The structure is built primarily of concrete and spans 1 section, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 2,161 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 49.4 metric tons.

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

How MD 136 compares

▼ 1.7
Load rating vs Maryland average (51.1 t)
Top 41%
Higher load rating than 59% of Maryland bridges
275
Bridges in Harford · 12 in Poor condition
MD 136 49.4 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
58.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
13.6
Essentiality /15
14.4
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
49.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1931
Material
Concrete
Number of Spans
1
Structure Length
14.6 m (48 ft)
Deck Width
9.5 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,161 vehicles/day
Structure Number
100000120031010

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

MD 136 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare MD 136 against other structures in Harford 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 136?

MD 136 in Harford, Maryland has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is MD 136 inspected?

MD 136'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 2,161 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MD 136 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MD 136?

MD 136 has an NBI inventory load rating of 49.4 metric tons.

Who is responsible for maintaining MD 136?

MD 136 is owned and maintained by State Highway Agency.

How old is MD 136 and does age affect safety?

MD 136 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.