Rm 473 over Flat Rock Creek
Kendall County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rm 473 over Flat Rock Creek in Kendall County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 1,519 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 63 of the 114 inventoried bridges in Kendall County rated good (55.3%); 0 (0.0%) 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 June 2024, on a 24-month routine inspection cycle.
- 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 → (29.97157, -98.87882)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 100 ft |
| Location | 1.5 Mi E of US 87 |
| NBI structure number | 151310014209149 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Kendall County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 10 over Scenic Loop Road | 2017 | 61,060 | Good |
| Ih 10 Ml & Fr over Draw | 1965 | 49,239 | Fair |
| Ih 10 Ml & SW Fr over Draw | 1965 | 35,495 | Fair |
| Ih 10 Ml & Fr over Menger Creek | 1966 | 35,495 | Fair |
| Bus 87 over Cibolo Creek | 1933 | 23,787 | Fair |
| Ih 10 Ml over Easter Creek | 1967 | 22,970 | Fair |
All bridges nearby: Kendall County, TX bridge conditions · every bridge in Kendall County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.