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Bridge conditions in Somerset County, Maine

173 inventoried bridges · 40 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

About one in 4 bridges in Somerset County is rated in poor condition: 40 of 173 on the federal inventory, one of the higher shares in Maine.

40 of the 173 bridges in Somerset County, Maine, are rated in poor condition (23.1%) in the 2025 National Bridge Inventory, as of August 20, 2026.
36 bridges (20.8%) are rated good and 97 (56.1%) fair.
The median Somerset County bridge was built in 1964.
The busiest poor-rated bridge is Oxbow Rd over Interstate 95 NB & SB (built 1963), carrying about 10,232 vehicles a day.

Good 20.8% · Fair 56.1% · Poor 23.1% of 173 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Oxbow Rd over Interstate 95 NB & SB	1963	10,232	Poor
I 95 SB over Webb Road	1964	9,250	Poor
I 95 SB over Route 152 & Mcrr	1964	8,970	Poor
I 95 NB over Webb Road	1964	8,530	Poor
I 95 SB over Somerset Avenue	1964	8,190	Poor
Main St over Mill Canal	1931	7,854	Poor
I 95 NB over Somerset Avenue	1964	7,220	Poor
Old Point Av over Jones Brook	1963	4,464	Poor
N Main St over Sebasticook River	1985	4,336	Poor
Main St over Sebasticook River	1935	3,860	Poor
US 201 over Kelly Brook	1952	2,300	Poor
US Route 201 over East Branch Sandy Str	1955	1,480	Poor
Athens Rd over Higgins Brook	1959	1,320	Poor
Main St over Ferguson Stream	1929	1,180	Poor
Shadagee Rd over Kincaid Brook	1940	1,127	Poor
Brighton Rd over E.br.wesserunset Stream	1935	1,020	Poor
River Rd over Lemon Stream	1923	659	Poor
School St over Carrabasset River	1923	653	Poor
Notch Rd over Wesserunsett Stream	1972	649	Poor
Kennebec River Rd over Martin Stream	1934	599	Poor
Main St over Higgins Stream	1930	550	Poor
Ripley Rd over Ferguson Stream	1938	335	Poor
Dexter Rd over Ferguson Stream	1939	250	Poor
Water St over Overflow Br Sebasticook	1925	210	Poor
Long Falls Dam Rd over Michael Brook	1932	200	Poor
Main St over Pleasant Pond Stream	1922	196	Poor
Pleasant Pond Rd over Pleasant Pond Stream	1945	180	Poor
Huff Rd over Wesserunsett Stream	1936	170	Poor
Long Falls Dam Rd over Pond Stream	1949	145	Poor
Tannery Bridge Rd over Lemon Stream	1950	90	Poor
Sandy River Rd over Lemon Str	1962	68	Poor
Four Mile Square R over Hilton Brook	1998	67	Poor
Stewart Hill Rd over Cold Bk	1978	63	Poor
Red Bridge Rd over Carrabasset Str	1936	52	Poor
Back Rd over Sandy Stream	1954	48	Poor
Last Round UP Rd over Little Alder Brook	1988	35	Poor
Hall Farm Rd over Lemon Brook	1975	31	Poor
Old Sandy River Rd over Bog Stream	1986	21	Poor
Old Canada Rd over Austin Stream Overflow	1916	20	Poor
Road "f" over Hale Brook	1990	2	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Island Av over Kennebec River	1976	21,774	Fair
US2 & US201 over Kennebec River	1976	18,813	Fair
Bridge St over W Channel Kennebec River	2003	13,343	Good
Bridge St over C Channel Kennebec River	2003	13,237	Good
I 95 over Route 201 (skowhegan Rd)	1960	12,470	Fair
Oxbow Rd over Interstate 95 NB & SB	1963	10,232	Poor
I 95 over M C RR	1964	9,750	Fair
I 95 SB over Webb Road	1964	9,250	Poor
I 95 SB over N Main St(madawaska Rd)	1964	8,970	Fair
I 95 SB over Sebasticook River	1964	8,970	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Somerset County → - all 173, busiest first, each with its own condition record.

All of Maine: Maine bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.