Structure 121700125901011 · Montgomery County, TX
Carries FM 1097 over Lk Conroe/w Fk Sn Jac Ri, 6.00 Mi W Of IH 45.
Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.
How ratings work6,480 ft end to end, longest span 80 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 multi-beam bridge.
| State | Texas |
| County | Montgomery |
| Location | 6.00 Mi W Of IH 45 |
| Carries | FM 1097 |
| Crosses | Lk Conroe/w Fk Sn Jac Ri |
| Coordinates | 30.43714, -95.59955 |
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 6480.0 ft (1975.1 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 25083.8 sq m |
| Main Spans | 81 |
| Year Built | 1972 |
| Avg Daily Traffic | 9,618 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Last Inspection | September 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Scour Critical | 6 — Scour calculated, stable |
| Structure Number | 121700125901011 |
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.