Bridge conditions in Grant County, Indiana
280 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
4 of the 280 bridges the federal inventory lists in Grant County are rated poor; the rest split 109 good and 167 fair.
- 4 of the 280 bridges in Grant County, Indiana, are rated in poor condition (1.4%) in the 2025 National Bridge Inventory, as of .
- 109 bridges (38.9%) are rated good and 167 (59.6%) fair.
- The median Grant County bridge was built in 1976.
- The busiest poor-rated bridge is Branson St over Mississinewa River (built 1910), carrying about 7,460 vehicles a day.
Good 38.9% · Fair 59.6% · Poor 1.4% of 280 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Branson St over Mississinewa River | 1910 | 7,460 | Poor |
| CR 1100S over Deer Creek | 1976 | 160 | Poor |
| CR 900W over Pipe Creek | 1920 | 160 | Poor |
| CR 800S over Prairie Run | 1981 | 110 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wheeling Pike over Barren Creek | 1940 | 57,630 | Fair |
| I-69 NB over SR 18 Eb/wb | 2019 | 31,070 | Good |
| SR 9 over NS RR Trail | 1940 | 23,655 | Good |
| SR 9 over Boots Creek | 1999 | 22,538 | Fair |
| US 35 SR 22 over Mississinewa River | 1964 | 16,102 | Fair |
| I-69 SB over NS RR CR 450 N | 1963 | 15,649 | Good |
| I-69 SB over SR 18 Eb/wb | 2020 | 15,535 | Good |
| I-69 NB over NS RR CR 450 N | 1963 | 15,535 | Good |
| I-69 NB over Tippey Ditch | 1963 | 15,447 | Fair |
| I-69 SB over Tippey Ditch | 1963 | 15,281 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Indiana: Indiana bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.