Md 189 over Is 270 & C-D Roads
FairMontgomery County, Maryland · 0.96 Mile South of Md 28 · Structure no. 100000150049010
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 250 ft
- 4 main spans
- Daily traffic
- 9,304
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 189 over Is 270 & C-D Roads is a steel continuous stringer/multi-beam or girder carrying Md 189 over Is 270 & C-D Roads in Montgomery County, Maryland. It was built in 1988, so it is 37 years old, younger 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 6 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 9,304 vehicles a day, roughly 8% of them trucks, projected to reach 11,047 by 2026. The structure is 250 ft (76.2 m) long and 103 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 189 over Is 270 & C-D Roads built?
It was built in 1988, making it 37 years old in 2025.
What condition is Md 189 over Is 270 & C-D Roads 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 June 2023.
How much traffic does Md 189 over Is 270 & C-D Roads carry?
About 9,304 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Md 189 over Is 270 & C-D Roads?
The structure is 250 ft (76.2 m) long with a longest span of 75 ft (22.9 m) and a deck 103 ft wide.
Who owns Md 189 over Is 270 & C-D Roads?
It is owned by the State Highway Agency.