SR73 over Dunham Branch
GoodCalhoun County, Florida · 1.6MI. N of SR71 · Structure no. 470025
- Built
- 1949
- 76 years old, rebuilt 2008
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 39 ft
- 4 main spans
- Daily traffic
- 1,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR73 over Dunham Branch is a concrete culvert carrying SR73 over Dunham Branch in Calhoun County, Florida. It was built in 1949 and reconstructed in 2008, so it is 76 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 1,100 vehicles a day, roughly 20% of them trucks, projected to reach 1,908 by 2044. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 11.8 mi (19 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR73 over Dunham Branch built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2008.
What condition is SR73 over Dunham Branch 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 SR73 over Dunham Branch carry?
About 1,100 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is SR73 over Dunham Branch?
The structure is 39 ft (11.9 m) long with a longest span of 8 ft (2.4 m).
Who owns SR73 over Dunham Branch?
It is owned by the State Highway Agency.