US-129 (SR-51) over Suwannee River
GoodHamilton County, Florida · US-129 / Suwannee River · Structure no. 320019
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 500 ft
- 7 main spans
- Daily traffic
- 5,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US-129 (SR-51) over Suwannee River is a prestressed concrete stringer/multi-beam or girder carrying US-129 (SR-51) over Suwannee River in Hamilton County, Florida. It was built in 1971, so it is 54 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 5,800 vehicles a day, roughly 5% of them trucks, projected to reach 10,063 by 2044. The structure is 500 ft (152.4 m) long and 46 ft wide. If it were closed, the detour would be 23 mi (37 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-129 (SR-51) over Suwannee River built?
It was built in 1971, making it 54 years old in 2025.
What condition is US-129 (SR-51) over Suwannee River 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 April 2023.
How much traffic does US-129 (SR-51) over Suwannee River carry?
About 5,800 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is US-129 (SR-51) over Suwannee River?
The structure is 500 ft (152.4 m) long with a longest span of 106 ft (32.3 m) and a deck 46 ft wide.
Who owns US-129 (SR-51) over Suwannee River?
It is owned by the State Highway Agency.