Juniata County Bridge Report Card

Juniata County scores 50 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F50 / 100

Local infrastructure snapshot

Juniata County, Pennsylvania

Juniata County has 169 bridges in the National Bridge Inventory, with 22 rated poor and 15 rated scour-critical. Its poor-condition share of 13.0% is above the 12.1% statewide average. Poor-condition bridges carry about 15,296 daily vehicle crossings.

169Total Bridges

22Poor (13.0%)

95Fair (56.2%)

15Scour-Critical

Quote-Ready Local Facts

13.0%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

15,296daily vehicle crossings are on poor-condition bridges in the county.

15bridges are rated scour-critical, or 8.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Juniata County a Bridge Condition Exposure Score of 50/100 (F). The county has 169 bridges in the National Bridge Inventory, including 22 in poor condition and 15 rated scour-critical. Poor-condition bridges carry about 15,296 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	13.0%	26.0
Poor-condition traffic exposure	25	3.5% of measured traffic	2.6
Scour-critical bridge share	20	8.9%	17.8
Average age vs national baseline	10	57 years vs 48 nationally	3.7
Traffic-data completeness	5	436,812 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	13.0%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	8.9%
Average Bridge Age	57 years
Poor-Condition Traffic Exposure	15,296 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSR 35-pa 35 over Mahantango Creek — 4,026 vehicles/day Oldest Listed BridgeSR 2023 over Mahantango Creek — built in 1908 All County BridgesBrowse every bridge record in Juniata County.

Top Bridges to Watch in Juniata County

Bridge	Reason	Condition	Daily Traffic	Year Built
SR 333-pa 333 over Delaware Creek	Poor condition + traffic exposure	Poor	3,956	1952
T-556 Foundry RD over Trib. To Cocolamus Creek	Poor condition + traffic exposure	Poor	610	1950
T-436 E. Salem RD over Delaware Creek	Poor condition + traffic exposure	Poor	400	1919
SR 235-pa 235 over Cranes Run	Poor condition + traffic exposure	Poor	395	1929
T-435 over Leiningers Run	Poor condition + traffic exposure	Poor	100	1939
T-424 Lost Crk. RD over Lost Creek	Poor condition + traffic exposure	Poor	100	1950
T-309 Burnt Chu RD over Tuscarora Creek	Poor condition + traffic exposure	Poor	50	1915
T-381 Sheesley RD over East Licking Creek	Poor condition + traffic exposure	Poor	50	1936
SR 35-pa 35 over Mahantango Creek	Poor condition + traffic exposure	Poor	4,026	1929
SR 2006 over Delaware Creek	Poor condition + traffic exposure	Poor	1,678	1936

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.