County Rd 3210 over Spring CR
Dent County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 3210 over Spring CR in Dent 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 2014, making it 11 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 54 of the 76 inventoried bridges in Dent County rated fair (71.1%); 6 (7.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (substructure 9 to 5).
- Its most recent inspection on record is dated February 2025, 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 → (37.69694, -91.57222)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 9 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 89 ft |
| Location | S 2 T 34 N R 6 W |
| NBI structure number | 34700 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| 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 Dent County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 19 S over Spring CR | 1930 | 5,164 | Poor |
| Mo 19 S over Spring Br | 1930 | 5,164 | Fair |
| Mo 72 E over Dry Fork CR | 2005 | 5,072 | Good |
| Mo 72 E over Bunker CR | 2005 | 5,072 | Good |
| Mo 72 E over Hyer Br | 1996 | 4,918 | Fair |
| Mo 32 E over Spring CR | 2012 | 4,915 | Fair |
All bridges nearby: Dent County, MO bridge conditions · every bridge in Dent County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.