NW 70TH Rd over Drywood CR
Barton County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- NW 70TH Rd over Drywood CR in Barton County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1900, making it 125 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 21 of the 210 inventoried bridges in Barton County rated poor (10.0%); 21 (10.0%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2016, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (37.60874, -94.53219)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 2 | 2 | Critical condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 75 ft |
| Location | S 15 T 33 N R 33 W |
| NBI structure number | 15939 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | January 2016 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Barton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 49 S over Dry Br | 1976 | 15,589 | Fair |
| Is 49 S over Lit Dry Wood CR | 1976 | 15,234 | Poor |
| Is 49 S over BNSF RR | 1972 | 8,139 | Fair |
| Is 49 S over N Fk Spring Rvr | 2021 | 8,139 | Good |
| Is 49 S over N Fk Spring Rvr Ov | 1947 | 8,139 | Poor |
| Is 49 S over US 160 | 1972 | 7,412 | Poor |
All bridges nearby: Barton County, MO bridge conditions · every bridge in Barton County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.