Md 929A & Md 929B over US 29
GoodMontgomery County, Maryland · 0.17 Mile East of Md 929C · Structure no. 100000150180010
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 171 ft
- 2 main spans
- Daily traffic
- 36,072
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 929A & Md 929B over US 29 is a steel continuous stringer/multi-beam or girder carrying Md 929A & Md 929B over US 29 in Montgomery County, Maryland. It was built in 2006, so it is 19 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 36,072 vehicles a day, roughly 3% of them trucks, projected to reach 76,216 by 2026. The structure is 171 ft (52.1 m) long and 140 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 929A & Md 929B over US 29 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Md 929A & Md 929B 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 Md 929A & Md 929B over US 29 carry?
About 36,072 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is Md 929A & Md 929B over US 29?
The structure is 171 ft (52.1 m) long with a longest span of 83 ft (25.3 m) and a deck 140 ft wide.
Who owns Md 929A & Md 929B over US 29?
It is owned by the State Highway Agency.