Somerset County Bridge Report Card
Somerset County scores 29 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Somerset County, Maine
Somerset County has 173 bridges in the National Bridge Inventory, with 40 rated poor and 10 rated scour-critical. Its poor-condition share of 23.1% is above the 15.4% statewide average. Poor-condition bridges carry about 86,626 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Somerset County a Bridge Condition Exposure Score of 29/100 (F). The county has 173 bridges in the National Bridge Inventory, including 40 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 86,626 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 23.1% | 40.0 |
| Poor-condition traffic exposure | 25 | 20.9% of measured traffic | 15.7 |
| Scour-critical bridge share | 20 | 5.8% | 11.6 |
| Average age vs national baseline | 10 | 57 years vs 48 nationally | 3.8 |
| Traffic-data completeness | 5 | 414,856 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 23.1% |
| State Poor-Condition Share | 15.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.8% |
| Average Bridge Age | 57 years |
| Poor-Condition Traffic Exposure | 86,626 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Somerset County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Kennebec River RD over Martin Stream | Poor condition + traffic exposure | Poor | 599 | 1934 |
| Long Falls Dam RD over Michael Brook | Poor condition + traffic exposure | Poor | 200 | 1932 |
| Pleasant Pond RD over Pleasant Pond Stream | Poor condition + traffic exposure | Poor | 180 | 1945 |
| Long Falls Dam RD over Pond Stream | Poor condition + traffic exposure | Poor | 145 | 1949 |
| Tannery Bridge RD over Lemon Stream | Poor condition + traffic exposure | Poor | 90 | 1950 |
| Red Bridge RD over Carrabasset Str | Poor condition + traffic exposure | Poor | 52 | 1936 |
| Oxbow RD over Interstate 95 NB & SB | Poor condition + traffic exposure | Poor | 10,232 | 1963 |
| I 95 SB over Webb Road | Poor condition + traffic exposure | Poor | 9,250 | 1964 |
| I 95 SB over Route 152 & Mcrr | Poor condition + traffic exposure | Poor | 8,970 | 1964 |
| I 95 NB over Webb Road | Poor condition + traffic exposure | Poor | 8,530 | 1964 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.