Harrison County Bridge Report Card
Harrison County scores 90 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Harrison County, Texas
Harrison County has 269 bridges in the National Bridge Inventory, with 9 rated poor and 1 rated scour-critical. Its poor-condition share of 3.3% is above the 1.2% statewide average. Poor-condition bridges carry about 1,030 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Harrison County a Bridge Condition Exposure Score of 90/100 (A). The county has 269 bridges in the National Bridge Inventory, including 9 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 1,030 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 | 3.3% | 6.7 |
| Poor-condition traffic exposure | 25 | 0.1% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 0.4% | 0.7 |
| Average age vs national baseline | 10 | 53 years vs 48 nationally | 2.2 |
| Traffic-data completeness | 5 | 1,435,191 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 | 3.3% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.4% |
| Average Bridge Age | 53 years |
| Poor-Condition Traffic Exposure | 1,030 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Harrison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| FM 3001 over Little Cypress Bayou | Poor condition + traffic exposure | Poor | 677 | 1967 |
| CR 2413 over Big Cypress Crk Slough | Poor condition + traffic exposure | Poor | 234 | 1991 |
| Avenue Q over Harrison Bayou | Poor condition + traffic exposure | Poor | 40 | 1950 |
| Cargill RD (1301) over Eightmile Creek | Poor condition + traffic exposure | Poor | 37 | 1992 |
| 51st ST over Goose Pr Creek | Poor condition + traffic exposure | Poor | 10 | 1950 |
| Karnack AVE over Unnamed Drainage | Poor condition + traffic exposure | Poor | 10 | 1950 |
| 51st St. over Goose Pr Creek | Poor condition + traffic exposure | Poor | 10 | 1950 |
| Avenue P over Central Creek | Poor condition + traffic exposure | Poor | 10 | 1950 |
| Peters Chapel RD over Picnitt Creek | Poor condition + traffic exposure | Poor | 2 | 1996 |
| IH 20 over Draw | High traffic | Fair | 38,492 | 1966 |
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.