Martin County Bridge Report Card
Martin County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Martin County, North Carolina
Martin County has 124 bridges in the National Bridge Inventory, with 4 rated poor and 0 rated scour-critical. Its poor-condition share of 3.2% is at or below the 7.1% statewide average. Poor-condition bridges carry about 6,750 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Martin County a Bridge Condition Exposure Score of 91/100 (A). The county has 124 bridges in the National Bridge Inventory, including 4 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,750 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 | 3.2% | 6.5 |
| Poor-condition traffic exposure | 25 | 2.8% of measured traffic | 2.1 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 37 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 244,070 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 | 3.2% |
| State Poor-Condition Share | 7.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 37 years |
| Poor-Condition Traffic Exposure | 6,750 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Martin County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Nc11 Nc42 over Roanoke River | Poor condition + traffic exposure | Poor | 6,100 | 1966 |
| Sr1138 over Ross Swamp | Poor condition + traffic exposure | Poor | 300 | 1962 |
| Sr1106 over Smithwick Creek | Poor condition + traffic exposure | Poor | 250 | 1989 |
| Sr1505 over Br. Of Peter Swamp | Poor condition + traffic exposure | Poor | 100 | 1951 |
| Us13 Us64 over Back Swamp Branch | High traffic | Fair | 10,000 | 1999 |
| Us13 Us64e over Fork Of Collie Creek | High traffic | Good | 9,800 | 1999 |
| Us13 Us64e over Us64alt | High traffic | Good | 9,000 | 1999 |
| Us13 Us64 over Flat Swamp | High traffic | Good | 9,000 | 1999 |
| Us13/64e over Nc903 | High traffic | Fair | 8,200 | 1999 |
| Us13 Us64e over Ross Swamp | High traffic | Fair | 8,200 | 1999 |
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.