SH 173 over Briar Branch
Medina County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 173 over Briar Branch in Medina 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 1945 and reconstructed in 1964, making it 80 years old at the 2025 inventory.
- It carries about 3,069 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 127 of the 216 inventoried bridges in Medina County rated good (58.8%); 3 (1.4%) 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 → (29.23559, -99.02488)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 62 ft |
| Location | 10.19 Mi S of US 90 |
| NBI structure number | 151630042101018 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Medina County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 35 NB Ml over Ft Jewet Creek | 1967 | 39,916 | Fair |
| Ih 35 SB Ml over Ft Jewet Creek | 1967 | 39,916 | Good |
| Ih 35 SB Ml over SH 132 & UP RR | 1968 | 33,903 | Fair |
| Ih 35 NB Ml over SH 173 | 1968 | 33,084 | Fair |
| Ih 35 SB Ml over SH 173 | 1968 | 33,084 | Fair |
| Ih 35 NB Ml over Francisco Creek | 1968 | 33,084 | Fair |
All bridges nearby: Medina County, TX bridge conditions · every bridge in Medina County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.