Rt N S over Mill CR
Laclede County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt N S over Mill CR in Laclede County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 417 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 40 of the 119 inventoried bridges in Laclede County rated good (33.6%); 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 August 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.70337, -92.48592)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 160 ft |
| Location | S 5 T 34 N R 14 W |
| NBI structure number | 33903 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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.