Pr 100 over Intracoastal Waterway
Fair Condition52 years old18,777 vehicles/day
Location
| State | Texas |
| County | Cameron |
| Location | Qn Isabella Causeway |
| Carries | Pr 100 |
| Crosses | Intracoastal Waterway |
| Coordinates | 26.08644, -97.18005 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 12509.8 ft (3,813 m) |
| Max Span | 310.0 ft (94.5 m) |
| Deck Width | 67.9 ft (20.7 m) |
| Deck Area | 78929.1 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 18,777 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 210310033104005 |