FM 549 over Buffalo Creek
Rockwall County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 549 over Buffalo Creek in Rockwall County, Texas, 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 1968, making it 57 years old at the 2025 inventory.
- It carries about 5,930 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 47 of the 107 inventoried bridges in Rockwall County rated fair (43.9%); 2 (1.9%) 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 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 → (32.85183, -96.45656)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 90 ft |
| Location | 1.12 Mi NE of FM 550 |
| NBI structure number | 181990109104007 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Texas department of transportation.
Busiest bridges in Rockwall County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 30 over Brushy Creek | 1955 | 83,689 | Fair |
| Ih 30 over East Fork Trinity River | 1995 | 82,077 | Poor |
| Ih 30 over FM 740 | 1995 | 82,077 | Fair |
| Ih 30 over Pond Branch Creek | 1955 | 75,013 | Fair |
| Ih 30 over FM 548 | 1956 | 75,013 | Fair |
| Ih 30 WB over SH 205 | 2009 | 63,036 | Good |
All bridges nearby: Rockwall County, TX bridge conditions · every bridge in Rockwall County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.