FHWA NBI 2024 Inspection record Public-domain dataset

AMOSS MILL ROAD

Carrying AMOSS MILL ROAD over ISLAND BRANCH

0.5 MILES SE OF MD 136, Harford, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
74 t Inventory load rating

Bridge Snapshot: AMOSS MILL ROAD

The AMOSS MILL ROAD bridge in Harford, Maryland carries AMOSS MILL ROAD over ISLAND BRANCH. It was built in 1972, making it 54 years old today. It was last reconstructed in 2019, extending its service life. The structure is built primarily of steel, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 99 vehicles, placing it in the lower-traffic tier of Maryland bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 4/9. 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 73.5 metric tons.

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

How AMOSS MILL ROAD compares

▲ 22.4
Load rating vs Maryland average (51.1 t)
Top 18%
Higher load rating than 82% of Maryland bridges
275
Bridges in Harford · 12 in Poor condition
AMOSS MILL ROAD 73.5 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
69.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
24.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
73.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1972
Last Reconstructed
2019
Material
Steel
Structure Length
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
99 vehicles/day
Structure Number
200000H-0177030

How to read this record

AMOSS MILL ROAD 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 AMOSS MILL ROAD 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 AMOSS MILL ROAD?

AMOSS MILL ROAD in Harford, Maryland on the FHWA's 0–9 scale.

How often is AMOSS MILL ROAD inspected?

AMOSS MILL 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 99 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. AMOSS MILL ROAD 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 AMOSS MILL ROAD?

AMOSS MILL ROAD has an NBI inventory load rating of 73.5 metric tons.

Who is responsible for maintaining AMOSS MILL ROAD?

AMOSS MILL ROAD is owned and maintained by County Highway Agency.

How old is AMOSS MILL ROAD and does age affect safety?

AMOSS MILL ROAD was built in 1972, making it 54 years old and last reconstructed in 2019.

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.