Spencer HWY over Big Island Slough
Fair Condition34 years old45,486 vehicles/day
Location
| State | Texas |
| County | Harris |
| Location | 0.5 Mi E Of Underwood RD |
| Carries | Spencer HWY |
| Crosses | Big Island Slough |
| Coordinates | 29.66446, -95.07840 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 102.0 ft (31.1 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 96.1 ft (29.3 m) |
| Deck Area | 911.2 sq m |
| Main Spans | 3 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 45,486 (2013) |
| Lanes On Bridge | 7 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 121020AA0593004 |