SH 43 over Black Bayou Relief
Cass County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 43 over Black Bayou Relief in Cass County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1954, making it 71 years old at the 2025 inventory.
- It carries about 3,049 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 102 of the 145 inventoried bridges in Cass County rated fair (70.3%); 1 (0.7%) are rated poor.
- 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 → (33.10327, -94.17766)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 63 ft |
| Location | 0.20 Mi S of SH 77 |
| NBI structure number | 190340056901010 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Cass County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 59 over Kennedy Branch | 1947 | 13,244 | Fair |
| US 59 over FM 3129 | 2015 | 13,244 | Fair |
| US 59 over Black Bayou | 1998 | 12,956 | Fair |
| US 59 over Johns Creek | 1997 | 9,653 | Fair |
| US 59 over Bowman Creek | 1955 | 9,567 | Fair |
| US 59 over Frazier Creek | 2003 | 9,567 | Fair |
All bridges nearby: Cass County, TX bridge conditions · every bridge in Cass County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.