DeKalb County Bridge Report Card

DeKalb County scores 96 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A96 / 100

Local infrastructure snapshot

DeKalb County, Indiana

DeKalb County has 149 bridges in the National Bridge Inventory, with 2 rated poor and 1 rated scour-critical. Its poor-condition share of 1.3% is at or below the 5.3% statewide average. Poor-condition bridges carry about 1,550 daily vehicle crossings.

149Total Bridges

2Poor (1.3%)

89Fair (59.7%)

1Scour-Critical

Quote-Ready Local Facts

1.3%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

1,550daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives DeKalb County a Bridge Condition Exposure Score of 96/100 (A). The county has 149 bridges in the National Bridge Inventory, including 2 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 1,550 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	1.3%	2.7
Poor-condition traffic exposure	25	0.3% of measured traffic	0.3
Scour-critical bridge share	20	0.7%	1.3
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	448,583 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	1.3%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.7%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	1,550 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCR 28 over Cedar Creek — 1,200 vehicles/day Oldest Listed BridgeMill Street over ST Joseph River — built in 1873 All County BridgesBrowse every bridge record in DeKalb County.

Top Bridges to Watch in DeKalb County

Bridge	Reason	Condition	Daily Traffic	Year Built
CR 28 over Cedar Creek	Poor condition + traffic exposure	Poor	1,200	1972
CR 24 over Cedar Creek	Poor condition + traffic exposure	Poor	350	1984
SR 8 over Sol Shank Ditch	Scour-critical foundation rating	Fair	2,639	1988
I-69 over Kruise Private Drive	High traffic	Fair	30,849	2001
I-69 NB over SR 8	High traffic	Good	16,361	1963
I-69 SB over SR 8	High traffic	Good	16,361	1963
I-69 NB over Cedar Creek	High traffic	Good	15,907	1963
I-69 SB over Cedar Creek	High traffic	Good	15,907	1963
I-69 NB over Cedar Creek	High traffic	Good	15,634	1963
I-69 NB over CR 48	High traffic	Good	15,519	1963

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.