Ih 610 NB over Ptra RR
Harris County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 610 NB over Ptra RR in Harris County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 45,799 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 2,005 of the 4,040 inventoried bridges in Harris County rated fair (49.6%); 24 (0.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 6, superstructure 5 to 6, substructure 5 to 7.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (29.74608, -95.26472)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 5 | 6 | Satisfactory condition |
| Substructure | 5 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 223 ft |
| Location | 2.00 Mi S of Ih 10 |
| NBI structure number | 121020027115498 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Harris County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 10 over Drain | 2007 | 405,615 | Good |
| Ih 10 over Rummel Creek | 2007 | 387,238 | Good |
| Ih 10 over Rummel Creek & Trib | 2007 | 387,238 | Good |
| IH 10/Campbell Rd over Drainage Ditch | 2005 | 373,095 | Good |
| Ih 10 over Hcfcd Ditch | 2006 | 333,229 | Good |
| House-hahl Road over Big Cypress Creek | 2015 | 307,170 | Good |
All bridges nearby: Harris County, TX bridge conditions · every bridge in Harris County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.