Porter Road over Lagarto Creek
Live Oak County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Porter Road over Lagarto Creek in Live Oak County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 4 of the 218 inventoried bridges in Live Oak County rated poor (1.8%); 4 (1.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (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 poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (28.12633, -97.94154)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel deck truss |
| Length | about 118 ft |
| Location | 0.3 Mi N of CR 174 |
| NBI structure number | 161490AA0352001 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Live Oak County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 37 over Smith Hollow | 1978 | 23,005 | Good |
| Ih 37 over Draw | 1978 | 23,005 | Good |
| Ih 37 over Merriman Hollow | 1978 | 23,005 | Fair |
| Ih 37 over Sand Creek | 1937 | 19,176 | Fair |
| Ih 37 over Draw | 1975 | 17,630 | Good |
| Ih 37 over Draw | 1975 | 17,630 | Good |
All bridges nearby: Live Oak County, TX bridge conditions · every bridge in Live Oak County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.