Bridge conditions in Chugach Census Area, Alaska
65 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 8 bridges in Chugach Census Area is rated in poor condition: 8 of 65 on the federal inventory, one of the higher shares in Alaska.
- 8 of the 65 bridges in Chugach Census Area, Alaska, are rated in poor condition (12.3%) in the 2025 National Bridge Inventory, as of .
- 23 bridges (35.4%) are rated good and 34 (52.3%) fair.
- The median Chugach Census Area bridge was built in 1977.
- The busiest poor-rated bridge is Copper River Hwy over Eyak River (built 1954), carrying about 1,110 vehicles a day.
Good 35.4% · Fair 52.3% · Poor 12.3% of 65 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 |
|---|---|---|---|
| Copper River Hwy over Eyak River | 1954 | 1,110 | Poor |
| Richardson Highway over Lowe River Lwr Keystone | 1980 | 810 | Poor |
| Copper River Hwy over Scott Glacier No 8 | 1966 | 520 | Poor |
| Point Whitshed Rd over Heney Creek | 1936 | 440 | Poor |
| Copper River Hwy over Copper Delta | 1977 | 94 | Poor |
| Mineral Creek Road over Mineral Creek | 1970 | 75 | Poor |
| Copper River Hwy over Million Dollar Bridge | 1910 | 65 | Poor |
| Copper River Hwy over Copper Delta | 1977 | 65 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Richardson Highway over Valdez Glacier Stream | 1965 | 1,990 | Good |
| Richardson Highway over Robe River | 1980 | 1,990 | Fair |
| Dayville Road over Solomon Creek | 2005 | 1,330 | Good |
| Dayville Road over Abercrombie Creek | 2005 | 1,330 | Good |
| Dayville Road over No Name Creek | 2005 | 1,330 | Good |
| Dayville Road over Lowe River Main Channel | 2006 | 1,330 | Good |
| Dayville Road over Lowe River North Channel | 2006 | 1,330 | Good |
| Copper River Hwy over Eyak River | 1954 | 1,110 | Poor |
| Richardson Highway over Lowe River Lower Cross | 1974 | 810 | Fair |
| Richardson Highway over Lowe River Upper Cross | 1985 | 810 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Alaska: Alaska 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.