US 90A SB over Buffalo Bayou/ Zoltowski
Harris County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 90A SB over Buffalo Bayou/ Zoltowski in Harris County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1956 and reconstructed in 1996, making it 69 years old at the 2025 inventory.
- It carries about 25,730 vehicles a day (traffic count year 2013).
- Its listed owner is the state highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (29.75394, -95.29733)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 970 ft |
| Location | 1.6 Mi S of Ih 10 |
| NBI structure number | 121020002710063 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
All bridges nearby: Harris County, TX bridge conditions · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.