Marshall County Bridge Report Card

Marshall County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A91 / 100

Local infrastructure snapshot

Marshall County, Indiana

Marshall County has 183 bridges in the National Bridge Inventory, with 6 rated poor and 1 rated scour-critical. Its poor-condition share of 3.3% is at or below the 5.3% statewide average. Poor-condition bridges carry about 7,950 daily vehicle crossings.

183Total Bridges

6Poor (3.3%)

75Fair (41.0%)

1Scour-Critical

Quote-Ready Local Facts

3.3%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

7,950daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Marshall County a Bridge Condition Exposure Score of 91/100 (A). The county has 183 bridges in the National Bridge Inventory, including 6 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 7,950 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	3.3%	6.6
Poor-condition traffic exposure	25	1.6% of measured traffic	1.2
Scour-critical bridge share	20	0.5%	1.1
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	493,325 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	3.3%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.5%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	7,950 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeMichigan RD over Csx Rr — 5,150 vehicles/day Oldest Listed BridgeCenter Street over Armey Ditch — built in 1905 All County BridgesBrowse every bridge record in Marshall County.

Top Bridges to Watch in Marshall County

Bridge	Reason	Condition	Daily Traffic	Year Built
Michigan RD over Csx Rr	Poor condition + traffic exposure	Poor	5,150	1980
Center Street over Armey Ditch	Poor condition + traffic exposure	Poor	1,250	1905
Randolph Street over Yellow River	Poor condition + traffic exposure	Poor	1,250	1976
East 18 B RD over Deep Outlet Main	Poor condition + traffic exposure	Poor	100	1961
South Elm RD over Deep Outlet Main	Poor condition + traffic exposure	Poor	100	1964
East 7th Road over Dausman Ditch	Poor condition + traffic exposure	Poor	100	1970
SR 17 over Yellow River	Scour-critical foundation rating	Fair	3,008	1994
Veterans Parkway over Elmer Seltenright Ditch	High traffic	Good	18,350	2015
US 31 NB over Yellow River	High traffic	Fair	14,402	1960
US 31 SB over Yellow River	High traffic	Good	14,402	1960

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.