South 12TH Street over Main B Canal
Jefferson County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- South 12TH Street over Main B Canal in Jefferson County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 602 vehicles a day (traffic count year 2019).
- Its listed owner is a city or municipal highway agency.
- It is one of 226 of the 460 inventoried bridges in Jefferson County rated good (49.1%); 6 (1.3%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (29.97136, -93.98442)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | 0.13 Mi NW of Ave H |
| NBI structure number | 201240LR3943001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 10 over US 90 | 2002 | 114,345 | Fair |
| Ih 10 over 11TH St | 1958 | 111,265 | Poor |
| Ih 10 over Fannin St Drainage Ditch | 1958 | 111,265 | Fair |
| Ih 10 over Drainage Ditch | 1960 | 108,624 | Fair |
| Ih 10 Ml over UPRR & Hollywood Ave. | 2002 | 108,624 | Good |
| US 69 Conn to IH10 over Ih 10 Ml | 1993 | 91,000 | Fair |
All bridges nearby: Jefferson County, TX bridge conditions · every bridge in Jefferson County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.