US Bridges

Mapleton Ave over I-895

Fair

Baltimore city, Maryland · Milepost M13.25 · Structure no. 300000BCY134010

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
2,883
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Mapleton Ave over I-895 is a steel stringer/multi-beam or girder carrying Mapleton Ave over I-895 in Baltimore city, 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 2,883 vehicles a day, roughly 2% of them trucks, projected to reach 3,511 by 2041. The structure is 120 ft (36.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMapleton Ave
CrossesI-895
LocationMilepost M13.25
RouteCity Street 1705
CountyBaltimore city
StateMaryland
Coordinates39.3012, -76.54726
Functional classUrban Local

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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width55 ft (16.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,883 (2019)
Projected traffic3,511 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Mapleton Ave over I-895 built?

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

What condition is Mapleton Ave over I-895 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 December 2023.

How much traffic does Mapleton Ave over I-895 carry?

About 2,883 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Mapleton Ave over I-895?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 55 ft wide.

Who owns Mapleton Ave over I-895?

It is owned by the State Toll Authority.