Md 470 over Tomakokin Creek
GoodSt. Mary's County, Maryland · 0.88 Mile South of Md 242 · Structure no. 100000180027010
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 1,453
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Md 470 over Tomakokin Creek is a prestressed concrete slab carrying Md 470 over Tomakokin Creek in St. Mary's County, Maryland. It was built in 1997, so it is 28 years old, younger than the Maryland average of 52.6 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 1,453 vehicles a day, roughly 8% of them trucks, projected to reach 1,957 by 2044. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| 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 Md 470 over Tomakokin Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Md 470 over Tomakokin Creek 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 November 2024.
How much traffic does Md 470 over Tomakokin Creek carry?
About 1,453 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is Md 470 over Tomakokin Creek?
The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.
Who owns Md 470 over Tomakokin Creek?
It is owned by the State Highway Agency.