Loop 337 SB over Mktup RR
Comal County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Loop 337 SB over Mktup RR in Comal County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2019, making it 6 years old at the 2025 inventory.
- It carries about 18,900 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 175 of the 231 inventoried bridges in Comal County rated good (75.8%); 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 2022, on a 48-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 → (29.68245, -98.11548)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 304 ft |
| Location | 0.6 MI N of IH 35 |
| NBI structure number | 150460021601222 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Comal County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 35 Nbml over Conrads Lane | 2022 | 142,800 | Good |
| Ih 35 Sbml over Conrads Lane | 2023 | 142,800 | Good |
| IH35 Nbml over Parkway | 2023 | 142,800 | Good |
| IH35 Sbml over Parkway | 2023 | 142,800 | Good |
| Ih 35 Ml & Fr over Dry Creek | 1957 | 132,036 | Good |
| Ih 35 Ml & Fr over Caney Creek | 1933 | 120,781 | Fair |
All bridges nearby: Comal County, TX bridge conditions · every bridge in Comal County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.