IRR BIA RTE 158B
Carrying IRR BIA RTE 158B over PISTOL STREAM
0.3KM NE LWR PISTOL LAKE, Hancock, Maine
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IRR BIA RTE 158B
The IRR BIA RTE 158B bridge in Hancock, Maine carries IRR BIA RTE 158B over PISTOL STREAM. It was built in 1990, making it 36 years old today. The structure is built primarily of other and spans 1 section, stretching 9.0 meters (30 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by Bureau of Indian Affairs.
The latest FHWA inspection records show a deck rating of 0/9, superstructure at 0/9, substructure at 0/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IRR BIA RTE 158B compares
Live comparison across Maine.
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 How the historical reference is calculated.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
- 1990
- Material
- Other
- Number of Spans
- 1
- Structure Length
- 9.0 m (30 ft)
- Deck Width
- 1.8 m (6 ft)
- Owner
- Bureau of Indian Affairs
- Structure Number
- 00000000000S002
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in critical condition (0/9), with severe deterioration requiring urgent attention.
- • The superstructure (beams and supports above the deck) is in critical condition (0/9), with severe deterioration requiring urgent attention.
- • The substructure (piers and abutments) is in critical condition (0/9), with severe deterioration requiring urgent attention.
How to read this record
IRR BIA RTE 158B 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 IRR BIA RTE 158B against other structures in Hancock 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 IRR BIA RTE 158B?
IRR BIA RTE 158B in Hancock, Maine has a deck rating of 0/9, superstructure rating of 0/9, and substructure rating of 0/9 on the FHWA's 0–9 scale.
How often is IRR BIA RTE 158B inspected?
IRR BIA RTE 158B's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IRR BIA RTE 158B 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 IRR BIA RTE 158B?
An inventory load rating is not recorded for IRR BIA RTE 158B.
Who is responsible for maintaining IRR BIA RTE 158B?
IRR BIA RTE 158B is owned and maintained by Bureau of Indian Affairs.
How old is IRR BIA RTE 158B and does age affect safety?
IRR BIA RTE 158B was built in 1990, making it 36 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.