Lebanon County Bridge Report Card

Lebanon County scores 57 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F57 / 100

Local infrastructure snapshot

Lebanon County, Pennsylvania

Lebanon County has 229 bridges in the National Bridge Inventory, with 21 rated poor and 30 rated scour-critical. Its poor-condition share of 9.2% is at or below the 12.1% statewide average. Poor-condition bridges carry about 37,366 daily vehicle crossings.

229Total Bridges

21Poor (9.2%)

142Fair (62.0%)

30Scour-Critical

Quote-Ready Local Facts

9.2%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

37,366daily vehicle crossings are on poor-condition bridges in the county.

30bridges are rated scour-critical, or 13.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Lebanon County a Bridge Condition Exposure Score of 57/100 (F). The county has 229 bridges in the National Bridge Inventory, including 21 in poor condition and 30 rated scour-critical. Poor-condition bridges carry about 37,366 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	9.2%	18.3
Poor-condition traffic exposure	25	3.0% of measured traffic	2.2
Scour-critical bridge share	20	13.1%	20.0
Average age vs national baseline	10	53 years vs 48 nationally	2.2
Traffic-data completeness	5	1,260,216 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	9.2%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	13.1%
Average Bridge Age	53 years
Poor-Condition Traffic Exposure	37,366 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgePa 343;s.pine Grv. over Elizabeth Run — 9,847 vehicles/day Oldest Listed BridgeT-409 Reilly Road over Tulpehocken Creek — built in 1900 All County BridgesBrowse every bridge record in Lebanon County.

Top Bridges to Watch in Lebanon County

Bridge	Reason	Condition	Daily Traffic	Year Built
Pa 343;s.pine Grv. over Elizabeth Run	Poor condition + traffic exposure	Poor	9,847	1968
Gravel Hill RD over Quittapahilla Creek	Poor condition + traffic exposure	Poor	3,968	1967
T-601 Jonestown RD over Swatara Creek	Poor condition + traffic exposure	Poor	1,500	1929
Twp Rd;old SR 1022 over Monroe Creek	Poor condition + traffic exposure	Poor	542	1940
T-354 (syner Rd) over Quittapahilla Creek	Poor condition + traffic exposure	Poor	375	1900
T-471 Golf Road over Little Swatara Creek	Poor condition + traffic exposure	Poor	300	1933
Yordys Bridge Road over Swatara Creek	Poor condition + traffic exposure	Poor	200	1924
T-325 Michters Rd. over Hammer Creek	Poor condition + traffic exposure	Poor	100	1925
Pa 501; S.college over Tulpehocken Creek	Poor condition + traffic exposure	Poor	8,640	1940
Pa 117; Mt.wilson over Conewago Creek	Poor condition + traffic exposure	Poor	4,350	1974

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.