US 29 NB over Is 70 Ramp G(7)
FairHoward County, Maryland · 0.68 Mile South of Md 99 · Structure no. 100000130028010
- Built
- 1966
- 59 years old, rebuilt 1974
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 209 ft
- 3 main spans
- Daily traffic
- 21,083
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US 29 NB over Is 70 Ramp G(7) is a steel stringer/multi-beam or girder carrying US 29 NB over Is 70 Ramp G(7) in Howard County, Maryland. It was built in 1966 and reconstructed in 1974, so it is 59 years old, older than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 21,083 vehicles a day, roughly 8% of them trucks, projected to reach 30,103 by 2029. The structure is 209 ft (63.7 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 29 NB over Is 70 Ramp G(7) built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1974.
What condition is US 29 NB over Is 70 Ramp G(7) in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does US 29 NB over Is 70 Ramp G(7) carry?
About 21,083 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is US 29 NB over Is 70 Ramp G(7)?
The structure is 209 ft (63.7 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.
Who owns US 29 NB over Is 70 Ramp G(7)?
It is owned by the State Highway Agency.