US Bridges

I-895 over Patapsco River Flats

Good

Baltimore County, Maryland · I-895 Mileposts 5.3-5.9 · Structure no. 300000B-Y059010

Built
1957
68 years old, rebuilt 2019
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
2,381 ft
42 main spans
Daily traffic
39,350
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-895 over Patapsco River Flats is a steel stringer/multi-beam or girder carrying I-895 over Patapsco River Flats in Baltimore County, Maryland. It was built in 1957 and reconstructed in 2019, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,350 vehicles a day, roughly 4% of them trucks, projected to reach 46,200 by 2044. The structure is 2,381 ft (725.6 m) long and 78 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-895
CrossesPatapsco River Flats
LocationI-895 Mileposts 5.3-5.9
RouteInterstate 895
Coordinates39.22908, -76.63378
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.5 US tons
Inventory rating56.4 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans42
Design loadHS 20
Structure length2,381 ft (725.6 m)
Longest span69 ft (21 m)
Deck width78 ft (23.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,350 (2021)
Projected traffic46,200 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Patapsco River Flats built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2019.

What condition is I-895 over Patapsco River Flats in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does I-895 over Patapsco River Flats carry?

About 39,350 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is I-895 over Patapsco River Flats?

The structure is 2,381 ft (725.6 m) long with a longest span of 69 ft (21 m) and a deck 78 ft wide.

Who owns I-895 over Patapsco River Flats?

It is owned by the State Toll Authority.