Lamar County Bridge Report Card
Lamar County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lamar County, Georgia
Lamar County has 64 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 3.1% is above the 1.7% statewide average. Poor-condition bridges carry about 670 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lamar County a Bridge Condition Exposure Score of 89/100 (B). The county has 64 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 670 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 | 3.1% | 6.2 |
| Poor-condition traffic exposure | 25 | 0.2% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 59 years vs 48 nationally | 4.4 |
| Traffic-data completeness | 5 | 443,822 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 | 3.1% |
| State Poor-Condition Share | 1.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 59 years |
| Poor-Condition Traffic Exposure | 670 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lamar County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Cannafax Farm RD over Little Potato Creek | Poor condition + traffic exposure | Poor | 480 | 1960 |
| Etheridge Mill Rd. over Potato Creek | Poor condition + traffic exposure | Poor | 190 | 1978 |
| I-75 over Buck Creek Trib. | High traffic | Good | 90,100 | 1966 |
| I-75 over Buck Creek | High traffic | Fair | 90,100 | 1966 |
| I-75 over High Falls Creek | High traffic | Fair | 90,100 | 1966 |
| US 341 over Big Towaliga Creek | High traffic | Good | 15,000 | 1964 |
| US 341 (nbl) over Ns Railroad | High traffic | Fair | 12,800 | 1964 |
| US 341 (nbl) over CR 74 Old Zebulon RD | High traffic | Good | 12,800 | 1964 |
| SR 36 over High Falls Creek | High traffic | Good | 10,200 | 1952 |
| US 41 over Grape Creek | High traffic | Good | 10,000 | 1964 |
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.