Barnstable County Bridge Report Card

Barnstable County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Barnstable County, Massachusetts

Barnstable County has 107 bridges in the National Bridge Inventory, with 4 rated poor and 1 rated scour-critical. Its poor-condition share of 3.7% is at or below the 9.4% statewide average. Poor-condition bridges carry about 80,959 daily vehicle crossings.

107Total Bridges

4Poor (3.7%)

68Fair (63.6%)

1Scour-Critical

Quote-Ready Local Facts

3.7%of county bridges are in poor condition, compared with 9.4% statewide and 6.7% nationally.

80,959daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Barnstable County a Bridge Condition Exposure Score of 81/100 (B). The county has 107 bridges in the National Bridge Inventory, including 4 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 80,959 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	3.7%	7.5
Poor-condition traffic exposure	25	5.8% of measured traffic	4.3
Scour-critical bridge share	20	0.9%	1.9
Average age vs national baseline	10	60 years vs 48 nationally	4.8
Traffic-data completeness	5	1,398,392 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	3.7%
State Poor-Condition Share	9.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.9%
Average Bridge Age	60 years
Poor-Condition Traffic Exposure	80,959 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeMa Route 28 over Cape Cod Canal — 44,240 vehicles/day Oldest Listed BridgeHWY Old Cnty RD over Rr Macrr — built in 1890 All County BridgesBrowse every bridge record in Barnstable County.

Top Bridges to Watch in Barnstable County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ma Route 28 over Cape Cod Canal	Poor condition + traffic exposure	Poor	44,240	1935
ST 28 NB over St151 Nathan Ellis HWY	Poor condition + traffic exposure	Poor	18,620	1960
ST 28 Main ST over Water Bass River	Poor condition + traffic exposure	Poor	15,407	1935
HWY Bridge ST over Water West-north Bay	Poor condition + traffic exposure	Poor	2,692	1946
ST 6 A/crnbry HWY over Water Scorton River	Scour-critical foundation rating	Fair	4,214	1926
Ma Route 3 over Cape Cod Canal	High traffic	Fair	61,701	1935
ST 28 Bourne Br RD over US 6	High traffic	Fair	41,801	1985
St151 Nathan Ellis over Rr Macrr (otis Spur)	High traffic	Fair	40,345	1941
US 6 Eb/md Cp HWY over HWY Union ST	High traffic	Fair	38,017	1970
US 6 Eb/md Cp HWY over Comb Willow ST & Macrr	High traffic	Fair	37,190	1966

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.