Marion County Bridge Report Card
Marion County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Marion County, Texas
Marion County has 59 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 1.7% is above the 1.2% statewide average. Poor-condition bridges carry about 4,762 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Marion County a Bridge Condition Exposure Score of 92/100 (A). The county has 59 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 4,762 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 | 1.7% | 3.4 |
| Poor-condition traffic exposure | 25 | 3.7% of measured traffic | 2.8 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.5 |
| Traffic-data completeness | 5 | 127,416 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 | 1.7% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 4,762 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Marion County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SH 155 over Lake Of The Pines | Poor condition + traffic exposure | Poor | 4,762 | 1954 |
| US 59 over Big Cypress Bayou Rel | High traffic | Good | 12,521 | 1987 |
| US 59 over Big Cypress Bayou | High traffic | Fair | 11,165 | 1954 |
| US 59 over Little Cypress Relief | High traffic | Good | 10,617 | 1953 |
| US 59 over Up Rr Kcs Rr W Clay ST | High traffic | Fair | 10,086 | 1953 |
| US 59 over Black Cypress Bayou Rel | High traffic | Fair | 7,314 | 1997 |
| US 59 over Black Cypress Bayou | High traffic | Fair | 7,314 | 1997 |
| US 59 NB over Little Cypress Rel No. 2 | High traffic | Good | 5,809 | 1953 |
| US 59 NB over Little Cypress Bayou | High traffic | Fair | 5,809 | 1953 |
| US 59 SB over Little Cypress Bayou | High traffic | Fair | 5,722 | 1987 |
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.