Loop 101 SB over Thomas Rd
Maricopa County, Arizona · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Loop 101 SB over Thomas Rd in Maricopa County, Arizona, 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 2000, making it 25 years old at the 2025 inventory.
- It carries about 53,163 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 1,961 of the 2,854 inventoried bridges in Maricopa County rated good (68.7%); 4 (0.1%) 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 → (33.4792, -112.2641)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 206 ft |
| Location | 2.93 mi North / I 10 |
| NBI structure number | 02553 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Maricopa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 101L over Cave Creek Road | 2001 | 282,818 | Good |
| US 60 over Mesa Drainage Channel | 1977 | 246,297 | Good |
| Sl 202 over Grand Canal | 1990 | 243,128 | Good |
| Sl 202 over 40th Street | 1989 | 243,128 | Fair |
| US 60 over SPRR & S Center St | 1981 | 242,887 | Good |
| SL 202 (Red Mtn) over Indian Bend Wash | 1994 | 236,447 | Good |
All bridges nearby: Maricopa County, AZ bridge conditions · every bridge in Maricopa County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.