Union County Bridge Report Card

Union County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Union County, New Jersey

Union County has 406 bridges in the National Bridge Inventory, with 16 rated poor and 11 rated scour-critical. Its poor-condition share of 3.9% is at or below the 5.8% statewide average. Poor-condition bridges carry about 345,570 daily vehicle crossings.

406Total Bridges

16Poor (3.9%)

317Fair (78.1%)

11Scour-Critical

Quote-Ready Local Facts

3.9%of county bridges are in poor condition, compared with 5.8% statewide and 6.7% nationally.

345,570daily vehicle crossings are on poor-condition bridges in the county.

11bridges are rated scour-critical, or 2.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Union County a Bridge Condition Exposure Score of 81/100 (B). The county has 406 bridges in the National Bridge Inventory, including 16 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 345,570 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	3.9%	7.9
Poor-condition traffic exposure	25	1.9% of measured traffic	1.4
Scour-critical bridge share	20	2.7%	5.4
Average age vs national baseline	10	59 years vs 48 nationally	4.3
Traffic-data completeness	5	18,025,255 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	3.9%
State Poor-Condition Share	5.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.7%
Average Bridge Age	59 years
Poor-Condition Traffic Exposure	345,570 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 22 over Echo Lake — 73,690 vehicles/day Oldest Listed BridgeNj 27 over Robinson Br Rahway River — built in 1867 All County BridgesBrowse every bridge record in Union County.

Top Bridges to Watch in Union County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 22 over Echo Lake	Poor condition + traffic exposure	Poor	73,690	1929
Route Nj 82 over Rahway River	Poor condition + traffic exposure	Poor	25,292	1875
Irving Street over Robinson Branch Rah Riv	Poor condition + traffic exposure	Poor	16,566	1900
I-78 WB over Quarry Rd.	Poor condition + traffic exposure	Poor	45,520	1967
US 22 WB over Nj 82	Poor condition + traffic exposure	Poor	31,623	1953
North AVE EB over Central Rr Of Nj-conrail	Poor condition + traffic exposure	Poor	19,193	1951
North AVE EB over Njtpk&ramp Tn	Poor condition + traffic exposure	Poor	19,193	1951
North AVE WB over Central Rr Of Nj-conrail	Poor condition + traffic exposure	Poor	19,193	1973
Vauxhall RD Cr630 over US 22	Poor condition + traffic exposure	Poor	15,270	1940
Cr577 over US 22	Poor condition + traffic exposure	Poor	14,869	1940

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.