Rte 21 over East Valley Creek
Allegany County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 21 over East Valley Creek in Allegany County, New York, 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 2004, making it 21 years old at the 2025 inventory.
- It carries about 1,800 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 223 of the 403 inventoried bridges in Allegany County rated fair (55.3%); 27 (6.7%) 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 October 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 → (42.25444, -77.76415)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 74 ft |
| Location | 1.1 Mi S Jct SR21 & SR244 |
| NBI structure number | 000000001016280 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Allegany County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 417 over Crowner Brook | 2007 | 11,348 | Good |
| Rte 417 over Genesee River | 1988 | 11,348 | Fair |
| Rte 19 over Dyke Creek | 1975 | 7,848 | Fair |
| County Road 20 over N Br Van Campen C | 2010 | 7,246 | Good |
| Rte 19 over Vandermark Creek | 1996 | 6,706 | Fair |
| Rte 21 over Karr Valley Creek | 1990 | 6,130 | Fair |
All bridges nearby: Allegany County, NY bridge conditions · every bridge in Allegany County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.