FHWA NBI 2024 Inspection record Public-domain dataset

MOUNTAIN RD

Carrying MOUNTAIN RD over BLACKSTONE BROOK

1.2MI W SHRLY/ABBOT RD, Piscataquis, Maine

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
38 t Inventory load rating

Bridge Snapshot: MOUNTAIN RD

The MOUNTAIN RD bridge in Piscataquis, Maine carries MOUNTAIN RD over BLACKSTONE BROOK. It was built in 1945, making it 81 years old today. It was last reconstructed in 2011, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 14.5 meters (48 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Maine bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 38.2 metric tons.

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

How MOUNTAIN RD compares

▼ 2.0
Load rating vs Maine average (40.2 t)
Top 50%
Higher load rating than 50% of Maine bridges
27
Bridges in Piscataquis · 6 in Poor condition
MOUNTAIN RD 38.2 t
Maine average 40.2 t

Live comparison across Maine.

Historical Sufficiency Rating

PlainBridge-computed
48.0 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
6.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
38.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1945
Last Reconstructed
2011
Material
Steel
Number of Spans
1
Structure Length
14.5 m (48 ft)
Deck Width
4.9 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
0940

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

MOUNTAIN RD 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 MOUNTAIN RD against other structures in Piscataquis and across Maine. Maine 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 MOUNTAIN RD?

MOUNTAIN RD in Piscataquis, Maine has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is MOUNTAIN RD inspected?

MOUNTAIN 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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MOUNTAIN RD 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 MOUNTAIN RD?

MOUNTAIN RD has an NBI inventory load rating of 38.2 metric tons.

Who is responsible for maintaining MOUNTAIN RD?

MOUNTAIN RD is owned and maintained by County Highway Agency.

How old is MOUNTAIN RD and does age affect safety?

MOUNTAIN RD was built in 1945, making it 81 years old and last reconstructed in 2011.

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.