Is 95 NB Viaduct over Roads Rrs Herring Run
FairBaltimore city, Maryland · Milepost 59.6 · Structure no. 300000BCW596011
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 3,201 ft
- 23 main spans
- Daily traffic
- 70,879
- 2019 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Is 95 NB Viaduct over Roads Rrs Herring Run is a steel continuous stringer/multi-beam or girder carrying Is 95 NB Viaduct over Roads Rrs Herring Run in Baltimore city, Maryland. It was built in 1974, so it is 51 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 70,879 vehicles a day, roughly 10% of them trucks, projected to reach 96,239 by 2041. The structure is 3,201 ft (975.7 m) long and 62 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 95 NB Viaduct over Roads Rrs Herring Run built?
It was built in 1974, making it 51 years old in 2025.
What condition is Is 95 NB Viaduct over Roads Rrs Herring Run 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 November 2023.
How much traffic does Is 95 NB Viaduct over Roads Rrs Herring Run carry?
About 70,879 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is Is 95 NB Viaduct over Roads Rrs Herring Run?
The structure is 3,201 ft (975.7 m) long with a longest span of 238 ft (72.5 m) and a deck 62 ft wide.
Who owns Is 95 NB Viaduct over Roads Rrs Herring Run?
It is owned by the State Toll Authority.