Jackson County Bridge Report Card

Jackson County scores 52 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F52 / 100

Local infrastructure snapshot

Jackson County, Michigan

Jackson County has 158 bridges in the National Bridge Inventory, with 17 rated poor and 25 rated scour-critical. Its poor-condition share of 10.8% is at or below the 11.0% statewide average. Poor-condition bridges carry about 106,601 daily vehicle crossings.

158Total Bridges

17Poor (10.8%)

87Fair (55.1%)

25Scour-Critical

Quote-Ready Local Facts

10.8%of county bridges are in poor condition, compared with 11.0% statewide and 6.7% nationally.

106,601daily vehicle crossings are on poor-condition bridges in the county.

25bridges are rated scour-critical, or 15.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Jackson County a Bridge Condition Exposure Score of 52/100 (F). The county has 158 bridges in the National Bridge Inventory, including 17 in poor condition and 25 rated scour-critical. Poor-condition bridges carry about 106,601 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	10.8%	21.5
Poor-condition traffic exposure	25	8.6% of measured traffic	6.4
Scour-critical bridge share	20	15.8%	20.0
Average age vs national baseline	10	48 years vs 48 nationally	0.0
Traffic-data completeness	5	1,245,746 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	10.8%
State Poor-Condition Share	11.0%
National Poor-Condition Share	6.7%
County Scour-Critical Share	15.8%
Average Bridge Age	48 years
Poor-Condition Traffic Exposure	106,601 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI-94BL Us127br M50 over Grand River — 21,340 vehicles/day Oldest Listed BridgeMlk Jr DR over Grand River — built in 1903 All County BridgesBrowse every bridge record in Jackson County.

Top Bridges to Watch in Jackson County

Bridge	Reason	Condition	Daily Traffic	Year Built
Us-127 over Grand River	Poor condition + traffic exposure	Poor	16,125	1955
Us-127 Br / M-106 over Grand River	Poor condition + traffic exposure	Poor	15,940	1915
Us-127 NB over Grand River	Poor condition + traffic exposure	Poor	9,599	1957
Cement City Road over Goose Creek	Poor condition + traffic exposure	Poor	2,173	1938
Albion Road over N Branch Kalamazoo River	Poor condition + traffic exposure	Poor	1,140	1929
Springport Road over Sandstone Creek	Poor condition + traffic exposure	Poor	700	1973
Trist Road over Portage River S Br	Poor condition + traffic exposure	Poor	624	1939
Benn Road over Sandstone Creek	Poor condition + traffic exposure	Poor	396	1939
Hanover Road over S Branch Kalamazoo River	Poor condition + traffic exposure	Poor	150	1938
Palmer & Wolf Lake over Raisin River	Poor condition + traffic exposure	Poor	120	1942

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.