County 063 County Bridge Report Card

County 063 County scores 47 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F47 / 100

Local infrastructure snapshot

County 063 County, Alaska

County 063 County has 65 bridges in the National Bridge Inventory, with 8 rated poor and 10 rated scour-critical. Its poor-condition share of 12.3% is above the 7.5% statewide average. Poor-condition bridges carry about 3,179 daily vehicle crossings.

65Total Bridges

8Poor (12.3%)

34Fair (52.3%)

10Scour-Critical

Quote-Ready Local Facts

12.3%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

3,179daily vehicle crossings are on poor-condition bridges in the county.

10bridges are rated scour-critical, or 15.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives County 063 County a Bridge Condition Exposure Score of 47/100 (F). The county has 65 bridges in the National Bridge Inventory, including 8 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 3,179 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	12.3%	24.6
Poor-condition traffic exposure	25	11.7% of measured traffic	8.8
Scour-critical bridge share	20	15.4%	20.0
Average age vs national baseline	10	43 years vs 48 nationally	0.0
Traffic-data completeness	5	27,238 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	12.3%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	15.4%
Average Bridge Age	43 years
Poor-Condition Traffic Exposure	3,179 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCopper River HWY over Eyak River — 1,110 vehicles/day Oldest Listed BridgeCopper River HWY over Million Dollar Bridge — built in 1910 All County BridgesBrowse every bridge record in County 063 County.

Top Bridges to Watch in County 063 County

Bridge	Reason	Condition	Daily Traffic	Year Built
Mineral Creek Road over Mineral Creek	Poor condition + traffic exposure	Poor	75	1970
Copper River HWY over Million Dollar Bridge	Poor condition + traffic exposure	Poor	65	1910
Copper River HWY over Copper Delta	Poor condition + traffic exposure	Poor	65	1977
Copper River HWY over Eyak River	Poor condition + traffic exposure	Poor	1,110	1954
Richardson Highway over Lowe River Lwr Keystone	Poor condition + traffic exposure	Poor	810	1980
Copper River HWY over Scott Glacier No 8	Poor condition + traffic exposure	Poor	520	1966
Point Whitshed RD over Heney Creek	Poor condition + traffic exposure	Poor	440	1936
Copper River HWY over Copper Delta	Poor condition + traffic exposure	Poor	94	1977
Copper River HWY over Copper Delta	Scour-critical foundation rating	Good	94	1977
Copper River HWY over Copper Riv (flag Pt Wst)	Scour-critical foundation rating	Fair	40	1973

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.