US Bridges

I-895 B NB over Md 170

Fair

Anne Arundel County, Maryland · I-895NB Milepost B1.9 · Structure no. 300000AAY056011

Built
1957
68 years old, rebuilt 1982
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
3 main spans
Daily traffic
14,912
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 B NB over Md 170 is a steel stringer/multi-beam or girder carrying I-895 B NB over Md 170 in Anne Arundel County, Maryland. It was built in 1957 and reconstructed in 1982, 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 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 14,912 vehicles a day, roughly 2% of them trucks, projected to reach 18,970 by 2041. The structure is 203 ft (61.9 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 B NB
CrossesMd 170
LocationI-895NB Milepost B1.9
RouteInterstate 895
CountyAnne Arundel County
StateMaryland
Coordinates39.22445, -76.62451
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span99 ft (30.2 m)
Deck width46 ft (14.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,912 (2019)
Projected traffic18,970 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-895 B NB over Md 170 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1982.

What condition is I-895 B NB over Md 170 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 August 2023.

How much traffic does I-895 B NB over Md 170 carry?

About 14,912 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is I-895 B NB over Md 170?

The structure is 203 ft (61.9 m) long with a longest span of 99 ft (30.2 m) and a deck 46 ft wide.

Who owns I-895 B NB over Md 170?

It is owned by the State Toll Authority.