Fap 78 over Overflow
Lake County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fap 78 over Overflow in Lake County, Tennessee, 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 1982, making it 43 years old at the 2025 inventory.
- It carries about 3,574 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 17 of the 30 inventoried bridges in Lake County rated fair (56.7%); 1 (3.3%) 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 May 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 → (36.22833, -89.47359)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 105 ft |
| Location | .2 Mi.n. of Dyer |
| NBI structure number | 48SR0780001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 Tennessee department of transportation.
Busiest bridges in Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 78 over Slough | 1997 | 4,437 | Good |
| Fap 78 over Slough | 1997 | 2,974 | Good |
| Fap 78 over Slough | 1997 | 2,974 | Fair |
| Fap 78 over Slough | 1993 | 2,974 | Good |
| Fap 21 over Reelfoot Lake Spillway | 1930 | 2,448 | Fair |
| Fas 21 over Reelfoot Lake Spillway | 2011 | 2,448 | Good |
All bridges nearby: Lake County, TN bridge conditions · every bridge in Lake County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.