SH 99 SB over W Airport Blvd
Fort Bend County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 99 SB over W Airport Blvd in Fort Bend County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 22,187 vehicles a day (traffic count year 2017).
- It is one of 588 of the 804 inventoried bridges in Fort Bend County rated good (73.1%); 20 (2.5%) 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 December 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 → (29.64894, -95.70968)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 321 ft |
| Location | 3.6 Mi NW of US 90A |
| NBI structure number | 120800351004100 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 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 Fort Bend County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 90A over Drainage Ditch | 1998 | 215,954 | Good |
| Ih 69 / US 59 over Storm Sewer Lateral | 1970 | 183,561 | Fair |
| Ih 69 / US 59 over Kirkwood Dr | 2000 | 183,561 | Fair |
| Ih 69 / US 59 over W Airport Blvd | 2000 | 183,561 | Good |
| Ih 69 / US 59 over US 90A & UP RR | 2002 | 183,561 | Fair |
| Ih 69/US 59 over SH 6 | 2002 | 156,030 | Good |
All bridges nearby: Fort Bend County, TX bridge conditions · every bridge in Fort Bend County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.