Grant County Bridge Report Card

Grant County scores 75 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C75 / 100

Local infrastructure snapshot

Grant County, Indiana

Grant County has 280 bridges in the National Bridge Inventory, with 4 rated poor and 32 rated scour-critical. Its poor-condition share of 1.4% is at or below the 5.3% statewide average. Poor-condition bridges carry about 7,890 daily vehicle crossings.

280Total Bridges

4Poor (1.4%)

167Fair (59.6%)

32Scour-Critical

Quote-Ready Local Facts

1.4%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

7,890daily vehicle crossings are on poor-condition bridges in the county.

32bridges are rated scour-critical, or 11.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Grant County a Bridge Condition Exposure Score of 75/100 (C). The county has 280 bridges in the National Bridge Inventory, including 4 in poor condition and 32 rated scour-critical. Poor-condition bridges carry about 7,890 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	1.4%	2.9
Poor-condition traffic exposure	25	0.8% of measured traffic	0.6
Scour-critical bridge share	20	11.4%	20.0
Average age vs national baseline	10	51 years vs 48 nationally	1.1
Traffic-data completeness	5	996,973 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	1.4%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	11.4%
Average Bridge Age	51 years
Poor-Condition Traffic Exposure	7,890 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeBranson ST over Mississinewa River — 7,460 vehicles/day Oldest Listed BridgeCR 990e over Mississinewa River — built in 1877 All County BridgesBrowse every bridge record in Grant County.

Top Bridges to Watch in Grant County

Bridge	Reason	Condition	Daily Traffic	Year Built
Branson ST over Mississinewa River	Poor condition + traffic exposure	Poor	7,460	1910
CR 1100s over Deer Creek	Poor condition + traffic exposure	Poor	160	1976
CR 900w over Pipe Creek	Poor condition + traffic exposure	Poor	160	1920
CR 800s over Prairie Run	Poor condition + traffic exposure	Poor	110	1981
I-69 NB over Little Black Creek	Scour-critical foundation rating	Fair	14,329	1963
I-69 SB over Little Black Creek	Scour-critical foundation rating	Good	14,329	1963
I-69 NB over Barren Creek	Scour-critical foundation rating	Good	14,139	1963
I-69 SB over Barren Creek	Scour-critical foundation rating	Good	14,139	1963
Highland AVE over Mississinewa River	Scour-critical foundation rating	Fair	14,000	1910
Washington ST over Mississinewa River	Scour-critical foundation rating	Fair	11,210	1955

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.