Bridge conditions in Montgomery County, Kansas
326 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Montgomery County tracks close to typical: 18 of its 326 inventoried bridges (5.5%) are rated poor, against a national rate of about 7%.
- 18 of the 326 bridges in Montgomery County, Kansas, are rated in poor condition (5.5%) in the 2025 National Bridge Inventory, as of .
- 105 bridges (32.2%) are rated good and 203 (62.3%) fair.
- The median Montgomery County bridge was built in 1976.
- The busiest poor-rated bridge is 2000 RD Mile 15 over Trib. to Onion Creek (built 1940), carrying about 1,442 vehicles a day.
Good 32.2% · Fair 62.3% · Poor 5.5% of 326 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 |
|---|---|---|---|
| 2000 RD Mile 15 over Trib. to Onion Creek | 1940 | 1,442 | Poor |
| 1800 RD Mile 21 over Verdigris River | 1926 | 1,000 | Poor |
| 3425 RD Mile 21 over Big Hill Creek | 1956 | 516 | Poor |
| 1800 RD Mile 23 over Pumpkin Creek | 1919 | 500 | Poor |
| 1800 RD Mile 23 over Pumpkin Creek | 1919 | 500 | Poor |
| 4400 RD Mile 16 over Verdigris River | 1926 | 250 | Poor |
| 2500 RD Mile 13 over Onion Creek Trib. | 1930 | 60 | Poor |
| 3300 RD Mile 26 over Sycamore Creek | 1920 | 58 | Poor |
| 6000 RD Mile 13 over Stream | 1940 | 50 | Poor |
| 4300 RD Mile 3 over Onion Creek | 1983 | 50 | Poor |
| 5700 RD Mile 25 over Drum Creek | 1922 | 50 | Poor |
| 4500 RD Mile 21 over Irish Creek | 1970 | 40 | Poor |
| 1500 RD Mile 25 over Trib. to Elk River | 1981 | 30 | Poor |
| 4700 RD Mile 9 over Stream | 1992 | 30 | Poor |
| 2500 RD Mile 12 over Stream | 1910 | 20 | Poor |
| 6450 RD Mile 10 over Sycamore Creek | 1940 | 20 | Poor |
| 4700 RD Mile 27 over Salt Creek | 1930 | 20 | Poor |
| 5625 RD Mile 21 over Drum Creek | 1926 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US166 US169 Hwy over Verdigris River | 1948 | 10,188 | Good |
| US75 US160 Hwy over UP RR 20TH ST & Drg. | 1940 | 8,501 | Good |
| US169 Hwy over Onion Creek Overflow | 1988 | 6,903 | Good |
| US169 Hwy over Onion Creek | 1988 | 6,903 | Good |
| Eighth Street; 001 over Sycamore Creek | 1984 | 5,950 | Fair |
| US160 K96 Hwy over Mouse Creek | 1960 | 5,920 | Fair |
| US-169 Hwy over Drum Creek Tributary | 1998 | 5,304 | Good |
| US166 Hwy over Onion Creek Drainage | 1970 | 5,253 | Good |
| Us-75/k-96 Hwy over Elk River | 1995 | 5,192 | Good |
| US166 Hwy over Sycamore Creek | 1963 | 5,145 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kansas: Kansas 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.