Jackson County Bridge Report Card

Jackson County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B86 / 100

Local infrastructure snapshot

Jackson County, Colorado

Jackson County has 47 bridges in the National Bridge Inventory, with 2 rated poor and 1 rated scour-critical. Its poor-condition share of 4.3% is at or below the 4.6% statewide average. Poor-condition bridges carry about 328 daily vehicle crossings.

47Total Bridges

2Poor (4.3%)

32Fair (68.1%)

1Scour-Critical

Quote-Ready Local Facts

4.3%of county bridges are in poor condition, compared with 4.6% statewide and 6.7% nationally.

328daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 2.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Jackson County a Bridge Condition Exposure Score of 86/100 (B). The county has 47 bridges in the National Bridge Inventory, including 2 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 328 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	4.3%	8.5
Poor-condition traffic exposure	25	2.0% of measured traffic	1.5
Scour-critical bridge share	20	2.1%	4.3
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	16,562 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	4.3%
State Poor-Condition Share	4.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.1%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	328 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSH 125 Ml over Willow Creek — 220 vehicles/day Oldest Listed BridgeSH 14 Ml over Grizzly Creek — built in 1949 All County BridgesBrowse every bridge record in Jackson County.

Top Bridges to Watch in Jackson County

Bridge	Reason	Condition	Daily Traffic	Year Built
SH 125 Ml over Willow Creek	Poor condition + traffic exposure	Poor	220	1955
County Road 27 over Illinois River	Poor condition + traffic exposure	Poor	108	1980
County Road 41 over N. Fork Michigan River	Scour-critical foundation rating	Fair	184	2006
SH 125 Ml over Michigan River	High traffic	Good	2,400	2012
SH 125 Ml over Illinois River	High traffic	Good	2,200	1993
SH 14 Ml over Grizzly Creek	High traffic	Fair	1,300	1949
SH 14 Ml over Colorado Creek	High traffic	Fair	1,300	1949
SH 14 Ml over Grizzly Creek	High traffic	Fair	1,300	1950
SH 14 Ml over Arapahoe Creek	High traffic	Fair	1,300	1950
SH 14 Ml over Grizzly Creek	High traffic	Good	1,300	2005

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.