Bridge conditions in Grundy County, Missouri
185 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Grundy County tracks close to typical: 18 of its 185 inventoried bridges (9.7%) are rated poor, against a national rate of about 7%.
- 18 of the 185 bridges in Grundy County, Missouri, are rated in poor condition (9.7%) in the 2025 National Bridge Inventory, as of .
- 103 bridges (55.7%) are rated good and 64 (34.6%) fair.
- The median Grundy County bridge was built in 1997.
- The busiest poor-rated bridge is Rt E E over Medicine CR Drain (built 1947), carrying about 272 vehicles a day.
Good 55.7% · Fair 34.6% · Poor 9.7% of 185 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 |
|---|---|---|---|
| Rt E E over Medicine CR Drain | 1947 | 272 | Poor |
| Rt B E over Muddy CR | 1952 | 260 | Poor |
| Rt C E over Weldon Fk Grand Rv | 1936 | 201 | Poor |
| SE 20TH St over No CR | 1930 | 30 | Poor |
| NE 105TH St over Unnamed Stream | 1991 | 20 | Poor |
| NE 105TH St over Trib W Fk Medicine | 1991 | 20 | Poor |
| SE 60TH St over No CR | 1999 | 20 | Poor |
| NE 110TH St over Big No CR | 1965 | 15 | Poor |
| NE 120TH St over Big No CR | 1930 | 15 | Poor |
| NE 82ND St over W Fk Medicine CR | 1992 | 15 | Poor |
| SW 50TH St over Gee CR | 2002 | 15 | Poor |
| NE 105TH St over Unnamed Stream | 1940 | 10 | Poor |
| NE 20TH Ave over Owl Br Muddy CR | 1993 | 10 | Poor |
| NE 115TH St over Honey CR | 1994 | 5 | Poor |
| NE 100TH Ave over W Fk Medicine CR | 1994 | 5 | Poor |
| SE 10TH St over Br Medicine CR | 1950 | 5 | Poor |
| SW 58TH St over Br Hickory CR | 1940 | 5 | Poor |
| NE 115TH St over E Honey CR | 2003 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over UP RR | 2003 | 8,128 | Good |
| Mo 6 E over Muddy CR | 1990 | 5,007 | Good |
| Mo 6 E over Thompson Rvr | 1962 | 4,698 | Fair |
| US 65 S over Honey CR Drain Dtc | 1973 | 3,670 | Fair |
| US 65 S over Muddy CR | 1971 | 3,400 | Fair |
| US 65 S over Mo 6 | 1971 | 3,209 | Fair |
| Mo 6 E over Hickory CR | 1962 | 2,813 | Fair |
| Mo 6 E over Honey CR | 1996 | 2,612 | Good |
| Mo 6 E over No CR Ovrfl | 1998 | 2,217 | Fair |
| Mo 6 E over No CR | 1931 | 2,217 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri 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.