Ih 45 SB / Bw 8 WB over Ih 45 Sbfr & Bw 8 Wbfr
Harris County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 45 SB / Bw 8 WB over Ih 45 Sbfr & Bw 8 Wbfr in Harris County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 18,977 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 24 of the 4,040 inventoried bridges in Harris County rated poor (0.6%); 24 (0.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (superstructure 6 to 4).
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (29.94918, -95.41716)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel multiple box beam |
| Length | about 5,338 ft |
| Location | Ih 45 & Bw 8 Interchange |
| NBI structure number | 121020011006292 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
| Fracture critical (item 92A) | Yes |
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.