Us-alt-1(sr115) SB over Ramp to E 21 Street
Duval County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Us-alt-1(sr115) SB over Ramp to E 21 Street in Duval County, Florida, 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 2014, making it 11 years old at the 2025 inventory.
- It carries about 24,000 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 520 of the 829 inventoried bridges in Duval County rated good (62.7%); 14 (1.7%) 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 2023, 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 → (30.35468, -81.63749)
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 49 ft |
| Location | Ramp to E. 21ST St. |
| NBI structure number | 720725 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Duval County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 (SR-9) over US-1 | 2016 | 180,000 | Good |
| I-95 (SR-9)NB & SB over San Marco/palm/st J Riv. | 2003 | 170,000 | Good |
| I-95 (SR-9) over St. Johns River | 2003 | 170,000 | Good |
| I-95 (SR-9) over Riverside Ave/st J River | 2003 | 170,000 | Good |
| I-95 (SR-9) over Bowden Rd. | 1965 | 166,000 | Good |
| SR-202 over Buckhead Branch | 1978 | 161,000 | Fair |
All bridges nearby: Duval County, FL bridge conditions · every bridge in Duval County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.