T-341 Dairy Rd over Little Conestoga CR Trib
Lancaster County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-341 Dairy Rd over Little Conestoga CR Trib in Lancaster County, Pennsylvania, 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 1968, making it 57 years old at the 2025 inventory.
- It carries about 775 vehicles a day (traffic count year 2011).
- Its listed owner is a town or township highway agency.
- It is one of 472 of the 801 inventoried bridges in Lancaster County rated fair (58.9%); 87 (10.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, 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 → (40.08104, -76.35521)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 43 ft |
| Location | 1000 West of T-557 |
| NBI structure number | 000000000021914 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Lancaster County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 30 ; SR 0030 over Fruitville Pk; SR 4011 | 2000 | 141,059 | Fair |
| US 30; SR 0030 over Conestoga River | 1953 | 114,612 | Fair |
| US 30; SR 0030 over Pa 23 Walnut St | 1992 | 114,612 | Fair |
| US 30 over Pitney Rd | 2002 | 114,612 | Good |
| US 30; SR 0030 over Homeland Drive | 2002 | 114,612 | Good |
| U.S. 30 SR0030 over Nor/south&amtrak | 2002 | 103,831 | Good |
All bridges nearby: Lancaster County, PA bridge conditions · every bridge in Lancaster County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.