US 61 S over Unnamed Trib
Clark County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 61 S over Unnamed Trib in Clark County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 14,279 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 69 of the 177 inventoried bridges in Clark County rated good (39.0%); 13 (7.3%) are rated poor.
- 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 → (40.28214, -91.566)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | S 4 T 63 N R 6 W |
| NBI structure number | 31588 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 S over Doe Run CR | 1972 | 14,279 | Fair |
| US 61 S over Unnamed CR | 2006 | 12,060 | Fair |
| US 61 S over Big Branch CR | 2006 | 10,194 | Good |
| Mo 27 S over Drain Dtch | 2002 | 9,030 | Fair |
| Mo 27 S over Drain Dtch | 2002 | 9,030 | Fair |
| US 61 N over Buck Run CR | 2006 | 8,055 | Good |
All bridges nearby: Clark County, MO bridge conditions · every bridge in Clark County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.