Structure 121020027117758 · Harris County, TX
Carries IH 610 Bus Lane over Ih610 Sbml Sbfr Etc, 0.01 Mi N Of Post Oak.
Set by its lowest-rated component: Deck and Substructure at 7 of 9.
How ratings work6,448 ft end to end, longest span 272 ft: about 18 football fields, or 1.2 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.
| State | Texas |
| County | Harris |
| Location | 0.01 Mi N Of Post Oak |
| Carries | IH 610 Bus Lane |
| Crosses | Ih610 Sbml Sbfr Etc |
| Coordinates | 29.75816, -95.45560 |
| Material | Steel Continuous |
| Design | Box Beam - Multiple |
| Total Length | 6448.2 ft (1965.4 m) |
| Max Span | 272.0 ft (82.9 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 20636.7 sq m |
| Main Spans | 2 |
| Year Built | 2021 |
| Avg Daily Traffic | 400 (2020) |
| Truck Traffic | 98% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 17 |
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 121020027117758 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.