LaPorte County Bridge Report Card

LaPorte County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

LaPorte County, Indiana

LaPorte County has 227 bridges in the National Bridge Inventory, with 15 rated poor and 2 rated scour-critical. Its poor-condition share of 6.6% is above the 5.3% statewide average. Poor-condition bridges carry about 28,580 daily vehicle crossings.

227Total Bridges

15Poor (6.6%)

134Fair (59.0%)

2Scour-Critical

Quote-Ready Local Facts

6.6%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

28,580daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 0.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives LaPorte County a Bridge Condition Exposure Score of 81/100 (B). The county has 227 bridges in the National Bridge Inventory, including 15 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 28,580 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	6.6%	13.2
Poor-condition traffic exposure	25	2.4% of measured traffic	1.8
Scour-critical bridge share	20	0.9%	1.8
Average age vs national baseline	10	53 years vs 48 nationally	2.0
Traffic-data completeness	5	1,176,325 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	6.6%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.9%
Average Bridge Age	53 years
Poor-Condition Traffic Exposure	28,580 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeE Michigan BLVD over Trail Creek — 23,875 vehicles/day Oldest Listed BridgeCR 350s over Little Kankakee River — built in 1916 All County BridgesBrowse every bridge record in LaPorte County.

Top Bridges to Watch in LaPorte County

Bridge	Reason	Condition	Daily Traffic	Year Built
E Michigan BLVD over Trail Creek	Poor condition + traffic exposure	Poor	23,875	1958
SR 104 over Kankakee River	Poor condition + traffic exposure	Poor	1,155	1984
CR 800s over Way Ditch	Poor condition + traffic exposure	Poor	875	1983
Range Road over Porter Ditch	Poor condition + traffic exposure	Poor	650	1976
Range Road over Kingsbury Creek	Poor condition + traffic exposure	Poor	400	1981
CR 1650s over Hanna Arm-tuesburg Ditch	Poor condition + traffic exposure	Poor	200	1924
CR 1200s over Long Ditch	Poor condition + traffic exposure	Poor	200	1979
CR 2300s over Pitner Ditch	Poor condition + traffic exposure	Poor	200	1982
CR 525s over Kankakee River	Poor condition + traffic exposure	Poor	200	1984
CR 875w over Pitner Ditch	Poor condition + traffic exposure	Poor	175	1987

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.