Ih 20 over UPRR & FM 644 (N)
Mitchell County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 20 over UPRR & FM 644 (N) in Mitchell County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1956 and reconstructed in 1979, making it 69 years old at the 2025 inventory.
- It carries about 17,977 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 92 of the 140 inventoried bridges in Mitchell County rated fair (65.7%); 1 (0.7%) 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.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (32.41376, -100.70608)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 757 ft |
| Location | 8.6 Mi E of SH 208 (S) |
| NBI structure number | 081680000601079 |
| 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) | 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 Mitchell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 20 over Cherry Creek | 1957 | 18,950 | Fair |
| Ih 20 Ml over Lone Wolf Draw | 1962 | 18,516 | Fair |
| Ih 20 over Iatan Creek | 1928 | 18,494 | Fair |
| Ih 20 over Templeton Creek | 1928 | 18,494 | Fair |
| Ih 20 Ml over Loraine Draw | 1956 | 17,977 | Fair |
| Ih 20 Ml over W Fork of N Champion Crk | 1929 | 14,470 | Fair |
All bridges nearby: Mitchell County, TX bridge conditions · every bridge in Mitchell County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.