Is 70 Wbr over Monocacy River
GoodFrederick County, Maryland · 0.22 M S of Br No 1018400 · Structure no. 100000100183014
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 583 ft
- 4 main spans
- Daily traffic
- 72,900
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 Wbr over Monocacy River is a steel continuous stringer/multi-beam or girder carrying Is 70 Wbr over Monocacy River in Frederick County, Maryland. It was built in 1985, so it is 40 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 72,900 vehicles a day, roughly 8% of them trucks, projected to reach 112,137 by 2039. The structure is 583 ft (177.7 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 70 Wbr over Monocacy River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Is 70 Wbr over Monocacy River 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 June 2024.
How much traffic does Is 70 Wbr over Monocacy River carry?
About 72,900 vehicles per day (2017 count), of which roughly 8% are trucks.
How long is Is 70 Wbr over Monocacy River?
The structure is 583 ft (177.7 m) long with a longest span of 190 ft (57.9 m) and a deck 59 ft wide.
Who owns Is 70 Wbr over Monocacy River?
It is owned by the State Highway Agency.