Maryland Rt.458-si over Suitland Parkway
Prince George's County, Maryland · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Maryland Rt.458-si over Suitland Parkway in Prince George's County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1943 and reconstructed in 1965, making it 82 years old at the 2025 inventory.
- It carries about 42,725 vehicles a day (traffic count year 2019).
- It is one of 345 of the 576 inventoried bridges in Prince George's County rated fair (59.9%); 18 (3.1%) are rated poor.
- 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 → (38.84289, -76.93206)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete frame |
| Length | about 101 ft |
| Location | 1.8 Miles From Suitland R |
| NBI structure number | 3564005P0000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Prince George's County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 95 over Little Paint Branch | 1963 | 226,340 | Fair |
| I-495 I.l. over Amtrak | 1964 | 226,100 | Fair |
| I-495 O.l. over Amtrak | 1964 | 226,100 | Fair |
| Is 95/495 over Md 214 | 2020 | 224,775 | Good |
| Is 95/495 over Md 214 | 2020 | 224,775 | Good |
| Is 95 Il over Md 193 | 1963 | 220,640 | Fair |
All bridges nearby: Prince George's County, MD bridge conditions · every bridge in Prince George's County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.