Ih 20 EB over SH 137
Martin County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 20 EB over SH 137 in Martin 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 1968, making it 57 years old at the 2025 inventory.
- It carries about 14,350 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 6 of the 19 inventoried bridges in Martin County rated fair (31.6%); 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 August 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 → (32.1383, -101.80586)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 189 ft |
| Location | IH 20 at SH 137 |
| NBI structure number | 061560000504207 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| 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 Martin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 20 over Mustang Draw | 1954 | 25,540 | Fair |
| Ih 20 over Draw | 1968 | 22,806 | Good |
| Ih 20 WB over SH 137 | 1968 | 14,157 | Fair |
| Ih 20 EB over Bi 20 | 2022 | 11,742 | Good |
| Ih 20 WB over Bi 20 | 2022 | 11,742 | Good |
| SH 349 over Draw | 1950 | 8,719 | Good |
All bridges nearby: Martin County, TX bridge conditions · every bridge in Martin County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.