I-40 Wbl over Waterfall Creek
Quay County, New Mexico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-40 Wbl over Waterfall Creek in Quay County, New Mexico, 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 13,910 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 40 of the 118 inventoried bridges in Quay County rated good (33.9%); 7 (5.9%) 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 May 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 → (35.17348, -103.54599)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 112 ft |
| Location | 10.3 Mi E of Jct NM-209 |
| NBI structure number | 000000000007531 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 New Mexico department of transportation.
Busiest bridges in Quay County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-40 Wbl over Nm-209 | 1980 | 21,966 | Fair |
| I-40 Ebl over Blanco Creek | 1958 | 21,451 | Fair |
| I-40 Wbl over Blanco Creek | 1958 | 21,451 | Fair |
| I-40 Ebl over I-40 Frontage Road | 1971 | 21,451 | Fair |
| I-40 Wbl over FR4115 | 1971 | 21,451 | Fair |
| I-40 Ebl over Bluewater Creek | 1970 | 21,451 | Fair |
All bridges nearby: Quay County, NM bridge conditions · every bridge in Quay County · New Mexico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.