Maui County Bridge Report Card
Maui County scores 65 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Maui County, Hawaii
Maui County has 187 bridges in the National Bridge Inventory, with 13 rated poor and 12 rated scour-critical. Its poor-condition share of 7.0% is above the 5.7% statewide average. Poor-condition bridges carry about 27,989 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Maui County a Bridge Condition Exposure Score of 65/100 (D). The county has 187 bridges in the National Bridge Inventory, including 13 in poor condition and 12 rated scour-critical. Poor-condition bridges carry about 27,989 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 | 7.0% | 13.9 |
| Poor-condition traffic exposure | 25 | 1.7% of measured traffic | 1.3 |
| Scour-critical bridge share | 20 | 6.4% | 12.8 |
| Average age vs national baseline | 10 | 66 years vs 48 nationally | 7.5 |
| Traffic-data completeness | 5 | 1,632,163 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 | 7.0% |
| State Poor-Condition Share | 5.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 6.4% |
| Average Bridge Age | 66 years |
| Poor-Condition Traffic Exposure | 27,989 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Maui County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lahaina Bypass over Punakea Street | Poor condition + traffic exposure | Poor | 16,500 | 2017 |
| Hana HWY over Punalau Strm(kolea) | Poor condition + traffic exposure | Poor | 1,800 | 1911 |
| Hana HWY over Heleleikeoha Strm | Poor condition + traffic exposure | Poor | 1,800 | 1917 |
| Hana HWY over Kaaiea Strm | Poor condition + traffic exposure | Poor | 1,800 | 1928 |
| Hana HWY over Nailiilihaele Strm | Poor condition + traffic exposure | Poor | 1,800 | 1930 |
| Hana HWY over Waikakoi Strm | Poor condition + traffic exposure | Poor | 775 | 1911 |
| Hana HWY over Kapia Strm | Poor condition + traffic exposure | Poor | 775 | 1915 |
| Haiku RD over Pauwela Gulch | Poor condition + traffic exposure | Poor | 700 | 1911 |
| Hana HWY over Alaalaula Strm | Poor condition + traffic exposure | Poor | 649 | 1915 |
| Hana HWY over Unnamed Strm | Poor condition + traffic exposure | Poor | 450 | 1910 |
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.