Tunnel Mill Road over Nine Penny Branch
Clark County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tunnel Mill Road over Nine Penny Branch in Clark County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 410 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 124 of the 259 inventoried bridges in Clark County rated fair (47.9%); 4 (1.5%) 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 → (38.47879, -85.63025)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 63 ft |
| Location | 00.90 NE of New Market Ro |
| NBI structure number | 1000083 |
| 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 Indiana department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 SB over Stansifer Avenue | 2004 | 148,100 | Good |
| I-65 SB over Court Avenue | 2016 | 113,400 | Good |
| I-65 SB over 6TH Street | 2016 | 111,900 | Good |
| I-65 NB US 31CD over 10TH Street | 2015 | 88,299 | Good |
| I-65 NB over 6TH Street | 2015 | 88,299 | Good |
| I-65 SB over 10TH Street | 2016 | 88,299 | Good |
All bridges nearby: Clark County, IN bridge conditions · every bridge in Clark County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.