Rt Z S over Ross Br
Worth County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt Z S over Ross Br in Worth County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1954, making it 71 years old at the 2025 inventory.
- It carries about 178 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 27 of the 81 inventoried bridges in Worth County rated fair (33.3%); 15 (18.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.47779, -94.46053)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 23 ft |
| Location | S 31 T 66 N R 31 W |
| NBI structure number | 7761 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Worth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 46 E over Marlowe Br | 1939 | 1,159 | Poor |
| Mo 46 E over E Fk Grand Rvr | 1984 | 1,085 | Fair |
| Mo 46 E over Br | 1928 | 1,085 | Fair |
| US 169 S over Mid Fk Grand Rvr | 1960 | 913 | Poor |
| Mo 46 E over Mid Fk Grand Rvr | 1984 | 866 | Fair |
| Mo 46 E over W Fk Grand Rvr | 2017 | 832 | Good |
All bridges nearby: Worth County, MO bridge conditions · every bridge in Worth County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.