Penobscot County, ME
63 public highway bridges
Penobscot County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Penobscot County, Maine contains 63 public highway bridges. Roughly 23.8% are rated “Good,” 58.7% “Fair,” and 17.5% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (63)
W OLD TOWN RD
GoodOver: PUSHAW STREAM (E CHAN'L)
460 FT E OF OLD TOWN TL, Penobscot, ME
BIA ROUTE 443
GoodOver: MATTAMISCONTIS STREAM
24.7 KM NWLAND, ME HOW, Penobscot, ME
GRANITE ST
PoorOver: MILLINOCKET STREAM
.4 MI. W. MEDWAY RD, Penobscot, ME
BIA ROUTE 440
PoorOver: SAM AYERS STREAM
10.41KM NW OF ACCESS ROAD, Penobscot, ME
MILLET RD
PoorOver: KENDUSKEAG STREAM
.7 MI S RTE 94, Penobscot, ME
GRIST MILL RD
PoorOver: SOUADABSCOOK STRM
0.1 MI. N. DAMASCUS RD., Penobscot, ME
STATE ST
PoorOver: MILLINOCKET STREAM
0.25 MILE N RTE 11, Penobscot, ME
BIA RTE 1531
PoorOver: MATTAMISCONTIS STREAM
4.15 KM NW OF I-95 INTERC, Penobscot, ME
BIA ROUTE 421
PoorOver: E BR PASSADUMKEAG RIVER
7.89 KM SE LEE, ME, Penobscot, ME
PARK ST
PoorOver: MATTAGODUS STREAM
0.4 MI SE OF KINGMAN, Penobscot, ME
CRANE RD
PoorOver: W BR KENDUSKEAG
.1 MI S RTE 11&43, Penobscot, ME
PULLEN RD
PoorOver: KENDUSKEAG STREAM
.4 MI S RT 94, Penobscot, ME
AVERILL RD
PoorOver: MATTAGODUS STREAM
0.1 MI NE OF SPRINGFIELD, Penobscot, ME
Read our methodology - how this data is sourced, computed, and verified.
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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.