Md 158 over Mud Flats
FairBaltimore County, Maryland · 1.44 Mile West of Md 151 · Structure no. 100000030367010
- Built
- 1976
- 49 years old, rebuilt 1999
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 852 ft
- 11 main spans
- Daily traffic
- 12,161
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 158 over Mud Flats is a steel stringer/multi-beam or girder carrying Md 158 over Mud Flats in Baltimore County, Maryland. It was built in 1976 and reconstructed in 1999, so it is 49 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 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 12,161 vehicles a day, projected to reach 15,152 by 2026. The structure is 852 ft (259.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Md 158 over Mud Flats built?
It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1999.
What condition is Md 158 over Mud Flats 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 July 2023.
How much traffic does Md 158 over Mud Flats carry?
About 12,161 vehicles per day (2009 count).
How long is Md 158 over Mud Flats?
The structure is 852 ft (259.7 m) long with a longest span of 78 ft (23.8 m) and a deck 58 ft wide.
Who owns Md 158 over Mud Flats?
It is owned by the State Highway Agency.