Allen Road over Somerset Creek
Somerset County, Maryland · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Allen Road over Somerset Creek in Somerset County, Maryland, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 609 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 9 of the 46 inventoried bridges in Somerset County rated good (19.6%); 3 (6.5%) 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 September 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 38 ft |
| Location | 1.2 Miles NW of US 13 |
| NBI structure number | 200000S-0007010 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| 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 Maryland department of transportation.
Busiest bridges in Somerset County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 13 over Passerdyke Creek | 1900 | 27,695 | Fair |
| US 13 NB over Manokin River | 1958 | 22,370 | Fair |
| US 13 SB over Manokin River | 1964 | 22,370 | Fair |
| US 13 NB over Kings Creek | 1962 | 20,870 | Fair |
| US 13 NB over Jones Creek | 1934 | 20,870 | Fair |
| US 13 NB over Norfolk Southern RR | 1957 | 16,470 | Fair |
All bridges nearby: Somerset County, MD bridge conditions · every bridge in Somerset County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.