Ih 37 over Merriman Hollow
Live Oak County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 37 over Merriman Hollow in Live Oak 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 1978, making it 47 years old at the 2025 inventory.
- It carries about 23,005 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 105 of the 218 inventoried bridges in Live Oak County rated fair (48.2%); 4 (1.8%) 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 February 2024, 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 → (28.64156, -98.23775)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 39 ft |
| Location | 1.8 Mi S of FM 99 |
| NBI structure number | 161490007307220 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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 Sand Creek | 1937 | 19,176 | Fair |
| Ih 37 over Draw | 1975 | 17,630 | Good |
| 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.