Olathe Rd over Brennon CR
Laclede County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Olathe Rd over Brennon CR in Laclede County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1928, making it 97 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 68 of the 119 inventoried bridges in Laclede County rated fair (57.1%); 11 (9.2%) 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 March 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 → (37.87469, -92.70914)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 34 ft |
| Location | S 8 T 36 N R 16 W |
| NBI structure number | 34574 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Laclede County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 44 E over Calvin Br | 1950 | 35,961 | Fair |
| Is 44 E over Goodwin CR | 1956 | 32,598 | Fair |
| Is 44 E over Goodwin CR | 1956 | 32,598 | Fair |
| Mo 5 S over Is 44 | 1977 | 20,949 | Good |
| Is 44 W over Gasconade Rvr | 1956 | 14,639 | Fair |
| Is 44 W over Gasconade Rvr Ovrf | 1956 | 14,639 | Poor |
All bridges nearby: Laclede County, MO bridge conditions · every bridge in Laclede County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.