Grant County Bridge Report Card
Grant County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Grant County, Arkansas
Grant County has 121 bridges in the National Bridge Inventory, with 3 rated poor and 7 rated scour-critical. Its poor-condition share of 2.5% is at or below the 5.4% statewide average. Poor-condition bridges carry about 13,400 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Grant County a Bridge Condition Exposure Score of 80/100 (B). The county has 121 bridges in the National Bridge Inventory, including 3 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 13,400 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 | 2.5% | 5.0 |
| Poor-condition traffic exposure | 25 | 4.5% of measured traffic | 3.4 |
| Scour-critical bridge share | 20 | 5.8% | 11.6 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 295,514 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 | 2.5% |
| State Poor-Condition Share | 5.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.8% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 13,400 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grant County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 270-10 Lm 2.54 over Hubbard Creek | Poor condition + traffic exposure | Poor | 6,200 | 1948 |
| US 270-10 Lm 10.84 over Derriseaux CR - Grant Co | Poor condition + traffic exposure | Poor | 5,800 | 1948 |
| SH 35-03 Lm 0.97 over Creek - Grant County | Poor condition + traffic exposure | Poor | 1,400 | 1976 |
| US 270-10 Lm 0.63 over Little Creek | Scour-critical foundation rating | Fair | 8,700 | 1948 |
| US 270-10 Lm 3.72 over Hurricane Creek Relief | Scour-critical foundation rating | Fair | 6,200 | 1948 |
| SH 46-02 Lm 7.14 over Saline River Relief | Scour-critical foundation rating | Fair | 1,700 | 1963 |
| SH 46-02 Lm 8.19 over Saline River Relief | Scour-critical foundation rating | Fair | 1,700 | 1966 |
| SH 46-02 Lm 8.75 over Big Slough | Scour-critical foundation rating | Fair | 1,700 | 1966 |
| Grant 8-cr over Lost Creek | Scour-critical foundation rating | Good | 810 | 1978 |
| I-530 SB Lm 17.08 over Turkey Creek | High traffic | Good | 12,500 | 1975 |
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.