FM 170 over Madera Creek
Presidio County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 170 over Madera Creek in Presidio 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 1961, making it 64 years old at the 2025 inventory.
- It carries about 185 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 44 of the 75 inventoried bridges in Presidio County rated fair (58.7%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, 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 → (29.29578, -103.92006)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 279 ft |
| Location | 37.0 Mi SE of US 67 Bus |
| NBI structure number | 241890095709014 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Presidio County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 90 over Mimms Draw | 1937 | 3,614 | Fair |
| US 67 NB over Rio Grande River | 1985 | 3,563 | Fair |
| US 67 SB over Rio Grande River | 2023 | 3,198 | Good |
| US 67/90 over Greenlee Draw Relief | 1932 | 2,623 | Fair |
| US 67/90 over Greenlee Draw | 1932 | 2,623 | Fair |
| US 67/90 over Alamito Creek | 1932 | 2,623 | Fair |
All bridges nearby: Presidio County, TX bridge conditions · every bridge in Presidio County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.