Ridder Rd over Br of Charrette CR
Warren County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ridder Rd over Br of Charrette CR in Warren County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 15 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 96 of the 151 inventoried bridges in Warren County rated fair (63.6%); 9 (6.0%) 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 February 2024, 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 → (38.64494, -91.08083)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 32 ft |
| Location | S 24 T 45 N R 2 W |
| NBI structure number | 17516 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Big CR | 1949 | 42,532 | Fair |
| Is 70 E over Camp CR | 1953 | 34,545 | Fair |
| Mo 47 S over NS RR | 1978 | 19,531 | Good |
| Mo 47 S over Is 70 | 1990 | 19,392 | Fair |
| Mo 47 S over Missouri Rvr UP RR | 2017 | 16,108 | Good |
| Mo 47 S over Lake CR | 2014 | 14,764 | Good |
All bridges nearby: Warren County, MO bridge conditions · every bridge in Warren County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.