Holt Rd over Trib of Dry Fk CR
Gasconade County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Holt Rd over Trib of Dry Fk CR in Gasconade 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 1960, making it 65 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 89 of the 143 inventoried bridges in Gasconade County rated fair (62.2%); 9 (6.3%) 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 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 → (38.28761, -91.63681)
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 | Continuous concrete slab |
| Length | about 47 ft |
| Location | S 18 T 41 N R 6 W |
| NBI structure number | 16410 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| 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 Gasconade County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 100 E over Frene CR | 2006 | 7,514 | Good |
| Mo 19 S over Frene CR | 1930 | 6,279 | Good |
| Mo 28 E over Br of Soap CR | 1989 | 5,891 | Fair |
| Mo 28 E over Soap CR | 1989 | 5,891 | Fair |
| Mo 28 E over Br of Soap CR | 1930 | 5,891 | Fair |
| Mo 100 E over Lit Berger CR | 2017 | 4,349 | Good |
All bridges nearby: Gasconade County, MO bridge conditions · every bridge in Gasconade County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.