US Bridges

I-895 NB over Herbert Run

Fair

Baltimore County, Maryland · I-895 Milepost 2.0 · Structure no. 300000B-Y021011

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
3 main spans
Daily traffic
8,600
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 NB over Herbert Run is a steel stringer/multi-beam or girder carrying I-895 NB over Herbert Run in Baltimore County, Maryland. It was built in 1957, so it is 68 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 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 8,600 vehicles a day, roughly 9% of them trucks, projected to reach 10,100 by 2044. The structure is 232 ft (70.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-895 NB
CrossesHerbert Run
LocationI-895 Milepost 2.0
RouteInterstate 895
CountyBaltimore County
StateMaryland
Coordinates39.22214, -76.69117
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans3
Design loadHS 20
Structure length232 ft (70.6 m)
Longest span81 ft (24.7 m)
Deck width46 ft (14.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2021)
Projected traffic10,100 by 2044
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-895 NB over Herbert Run built?

It was built in 1957, making it 68 years old in 2025.

What condition is I-895 NB over Herbert 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 April 2024.

How much traffic does I-895 NB over Herbert Run carry?

About 8,600 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I-895 NB over Herbert Run?

The structure is 232 ft (70.6 m) long with a longest span of 81 ft (24.7 m) and a deck 46 ft wide.

Who owns I-895 NB over Herbert Run?

It is owned by the State Toll Authority.