Laura Koppe Rd over Ditch
Harris County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Laura Koppe Rd over Ditch in Harris County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 1,235 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal 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.
- 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 → (29.84027, -95.2535)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 5 | Fair condition |
| Substructure | 2 | Critical condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 46 ft |
| Location | 9400 Laura Koppe |
| NBI structure number | 121020B38337300 |
| Condition class | Poor |
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.