US Bridges

I-895 over US 1 Patapsco River Ramp

Fair

Howard County, Maryland · I-895 Milepost 1.05 · Structure no. 300000HOY014010

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
675 ft
4 main spans
Daily traffic
15,114
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 over US 1 Patapsco River Ramp is a steel stringer/multi-beam or girder carrying I-895 over US 1 Patapsco River Ramp in Howard County, Maryland. It was built in 1973, so it is 52 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 15,114 vehicles a day, roughly 3% of them trucks, projected to reach 19,227 by 2041. The structure is 675 ft (205.7 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-895
CrossesUS 1 Patapsco River Ramp
LocationI-895 Milepost 1.05
RouteInterstate 895
CountyHoward County
StateMaryland
Coordinates39.21822, -76.70736
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length675 ft (205.7 m)
Longest span250 ft (76.2 m)
Deck width71 ft (21.5 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,114 (2019)
Projected traffic19,227 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 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 over US 1 Patapsco River Ramp built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-895 over US 1 Patapsco River Ramp 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 October 2023.

How much traffic does I-895 over US 1 Patapsco River Ramp carry?

About 15,114 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is I-895 over US 1 Patapsco River Ramp?

The structure is 675 ft (205.7 m) long with a longest span of 250 ft (76.2 m) and a deck 71 ft wide.

Who owns I-895 over US 1 Patapsco River Ramp?

It is owned by the State Toll Authority.