Jackman Ave over Big Turkey CR
Benton County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Jackman Ave over Big Turkey CR in Benton County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1960, making it 65 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 28 of the 134 inventoried bridges in Benton County rated poor (20.9%); 28 (20.9%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (38.13869, -93.23675)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 29 ft |
| Location | S 21 T 39 N R 21 W |
| NBI structure number | 21487 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Benton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 65 S over Corman CR | 1928 | 8,748 | Fair |
| US 65 S over Chubb CR | 1928 | 8,748 | Fair |
| US 65 S over Wisdom CR | 1928 | 8,579 | Fair |
| US 65 S over Osage Rvr | 1974 | 8,522 | Fair |
| Mo 7 N over US 65 | 1976 | 6,491 | Fair |
| US 65 S over Mo 83 | 1977 | 6,340 | Fair |
All bridges nearby: Benton County, MO bridge conditions · every bridge in Benton County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.