US Bridges

Is 95 Viaduct NB over Ponca ST I 895

Fair

Baltimore city, Maryland · 0.2 Mi. S. of Exit 57 · Structure no. 300000BCW570011

Built
1980
45 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,932 ft
11 main spans
Daily traffic
64,313
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Is 95 Viaduct NB over Ponca ST I 895 is a steel continuous stringer/multi-beam or girder carrying Is 95 Viaduct NB over Ponca ST I 895 in Baltimore city, Maryland. It was built in 1980, so it is 45 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 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 64,313 vehicles a day, roughly 11% of them trucks, projected to reach 87,324 by 2041. The structure is 1,932 ft (588.9 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 95 Viaduct NB
CrossesPonca ST I 895
Location0.2 Mi. S. of Exit 57
RouteInterstate 95
CountyBaltimore city
StateMaryland
Coordinates39.27127, -76.55586
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,932 ft (588.9 m)
Longest span240 ft (73.2 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic64,313 (2019)
Projected traffic87,324 by 2041
Trucks11%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free 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 Is 95 Viaduct NB over Ponca ST I 895 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Is 95 Viaduct NB over Ponca ST 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 February 2024.

How much traffic does Is 95 Viaduct NB over Ponca ST I 895 carry?

About 64,313 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Is 95 Viaduct NB over Ponca ST I 895?

The structure is 1,932 ft (588.9 m) long with a longest span of 240 ft (73.2 m) and a deck 62 ft wide.

Who owns Is 95 Viaduct NB over Ponca ST I 895?

It is owned by the State Toll Authority.