US 29 Ramp D(1) over US 29
GoodHoward County, Maryland · 1.77 Miles North of Md 32 · Structure no. 100000130128010
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 241 ft
- 2 main spans
- Daily traffic
- 10,581
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
US 29 Ramp D(1) over US 29 is a steel continuous stringer/multi-beam or girder carrying US 29 Ramp D(1) over US 29 in Howard County, Maryland. It was built in 1991, so it is 34 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 10,581 vehicles a day, roughly 8% of them trucks, projected to reach 10,626 by 2038. The structure is 241 ft (73.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 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 US 29 Ramp D(1) over US 29 built?
It was built in 1991, making it 34 years old in 2025.
What condition is US 29 Ramp D(1) over US 29 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 September 2023.
How much traffic does US 29 Ramp D(1) over US 29 carry?
About 10,581 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is US 29 Ramp D(1) over US 29?
The structure is 241 ft (73.5 m) long with a longest span of 121 ft (36.9 m) and a deck 44 ft wide.
Who owns US 29 Ramp D(1) over US 29?
It is owned by the State Highway Agency.