SR-21 (blanding) over Hamilton St.
GoodDuval County, Florida · Blanding Blvd. / Hamilton · Structure no. 720119
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 196 ft
- 3 main spans
- Daily traffic
- 28,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR-21 (blanding) over Hamilton St. is a prestressed concrete stringer/multi-beam or girder carrying SR-21 (blanding) over Hamilton St. in Duval County, Florida. It was built in 1961, so it is 64 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 28,500 vehicles a day, roughly 4% of them trucks, projected to reach 49,448 by 2045. The structure is 196 ft (59.7 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-21 (blanding) over Hamilton St. built?
It was built in 1961, making it 64 years old in 2025.
What condition is SR-21 (blanding) over Hamilton St. in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does SR-21 (blanding) over Hamilton St. carry?
About 28,500 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR-21 (blanding) over Hamilton St.?
The structure is 196 ft (59.7 m) long with a longest span of 97 ft (29.6 m) and a deck 79 ft wide.
Who owns SR-21 (blanding) over Hamilton St.?
It is owned by the State Highway Agency.