Navarro County Bridge Report Card
Navarro County scores 87 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Navarro County, Texas
Navarro County has 342 bridges in the National Bridge Inventory, with 7 rated poor and 15 rated scour-critical. Its poor-condition share of 2.0% is above the 1.2% statewide average. Poor-condition bridges carry about 610 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Navarro County a Bridge Condition Exposure Score of 87/100 (B). The county has 342 bridges in the National Bridge Inventory, including 7 in poor condition and 15 rated scour-critical. Poor-condition bridges carry about 610 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 | 2.0% | 4.1 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 4.4% | 8.8 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,467,990 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 | 2.0% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.4% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 610 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Navarro County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| CR NE 0070 over Chambers Creek | Poor condition + traffic exposure | Poor | 100 | 2014 |
| CR SW 4110 over Pin Oak Creek Tributary | Poor condition + traffic exposure | Poor | 100 | 1989 |
| CR NW 4080 over Post Oak Creek | Poor condition + traffic exposure | Poor | 100 | 1991 |
| CR NW 2240 over E. Trib. Of Rush Crk | Poor condition + traffic exposure | Poor | 100 | 1991 |
| CR SW 2090 over Board Creek | Poor condition + traffic exposure | Poor | 100 | 1991 |
| CR SE 4250 over Alligator Creek | Poor condition + traffic exposure | Poor | 100 | 2014 |
| NW CR 4340 over Frost Branch | Poor condition + traffic exposure | Poor | 10 | 1980 |
| Bus 45 over Post Oak Creek | Scour-critical foundation rating | Fair | 9,804 | 1930 |
| SH 31 WB over Post Oak Creek | Scour-critical foundation rating | Fair | 7,826 | 1933 |
| FM 1126 over Cummings Creek | Scour-critical foundation rating | Fair | 2,305 | 1962 |
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.