US Bridges

I-895 Ramp SB over US 1 Patapsco River

Fair

Howard County, Maryland · I-895 SB Milepost 1.08 · Structure no. 300000HOY012010

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
679 ft
9 main spans
Daily traffic
1,305
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 Ramp SB over US 1 Patapsco River is a steel stringer/multi-beam or girder carrying I-895 Ramp SB over US 1 Patapsco River in Howard County, Maryland. It was built in 1959, so it is 66 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 1,305 vehicles a day, roughly 2% of them trucks, projected to reach 1,525 by 2044. The structure is 679 ft (207 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

No coordinates are recorded for this structure.

CarriesI-895 Ramp SB
CrossesUS 1 Patapsco River
LocationI-895 SB Milepost 1.08
RouteInterstate 895
CountyHoward County
StateMaryland
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.
Substructure7 GoodSome minor problems.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.5 US tons
Inventory rating49.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length679 ft (207 m)
Longest span134 ft (40.8 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,305 (2021)
Projected traffic1,525 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 Ramp SB over US 1 Patapsco River built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-895 Ramp SB over US 1 Patapsco River 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 Ramp SB over US 1 Patapsco River carry?

About 1,305 vehicles per day (2021 count), of which roughly 2% are trucks.

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

The structure is 679 ft (207 m) long with a longest span of 134 ft (40.8 m) and a deck 30 ft wide.

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

It is owned by the State Toll Authority.