Warren County Bridge Report Card
Warren County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Warren County, New Jersey
Warren County has 268 bridges in the National Bridge Inventory, with 12 rated poor and 21 rated scour-critical. Its poor-condition share of 4.5% is at or below the 5.8% statewide average. Poor-condition bridges carry about 100,097 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Warren County a Bridge Condition Exposure Score of 62/100 (D). The county has 268 bridges in the National Bridge Inventory, including 12 in poor condition and 21 rated scour-critical. Poor-condition bridges carry about 100,097 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 4.5% | 9.0 |
| Poor-condition traffic exposure | 25 | 4.0% of measured traffic | 3.0 |
| Scour-critical bridge share | 20 | 7.8% | 15.7 |
| Average age vs national baseline | 10 | 74 years vs 48 nationally | 10.0 |
| Traffic-data completeness | 5 | 2,503,610 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 | 4.5% |
| State Poor-Condition Share | 5.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 7.8% |
| Average Bridge Age | 74 years |
| Poor-Condition Traffic Exposure | 100,097 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Warren County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Nj 94 over Jacksonburg Creek | Poor condition + traffic exposure | Poor | 7,984 | 1931 |
| Rymon Road over Musconetcong River | Poor condition + traffic exposure | Poor | 410 | 1868 |
| Nj 31 over Furnace Brook | Poor condition + traffic exposure | Poor | 12,730 | 1926 |
| Nj 57 over Mill Brook | Poor condition + traffic exposure | Poor | 11,809 | 1922 |
| Nj 57 over Lopatcong Creek Tributar | Poor condition + traffic exposure | Poor | 10,951 | 1921 |
| Nj 57 over Lopatcong Creek | Poor condition + traffic exposure | Poor | 10,356 | 1921 |
| US 46 over Paulins Kill | Poor condition + traffic exposure | Poor | 9,721 | 1933 |
| South Main Street over Washington Scndry (n&s) | Poor condition + traffic exposure | Poor | 9,013 | 1910 |
| Route US 46 over Aband. Hudson Br.conrail | Poor condition + traffic exposure | Poor | 8,930 | 1924 |
| S Main ST (cr 678) over Lopatcong Creek | Poor condition + traffic exposure | Poor | 8,549 | 1925 |
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.