US Bridges

Md 155 over I-95

Fair

Harford County, Maryland · Milepost M89.0 · Structure no. 300000H-X890010

Built
1960
65 years old, rebuilt 1983
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
243 ft
4 main spans
Daily traffic
15,420
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Md 155 over I-95 is a steel stringer/multi-beam or girder carrying Md 155 over I-95 in Harford County, Maryland. It was built in 1960 and reconstructed in 1983, so it is 65 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 15,420 vehicles a day, roughly 2% of them trucks, projected to reach 18,375 by 2041. The structure is 243 ft (74.2 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 155
CrossesI-95
LocationMilepost M89.0
RouteState Highway 155
Coordinates39.57107, -76.13738
Functional classRural 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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length243 ft (74.2 m)
Longest span84 ft (25.6 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,420 (2019)
Projected traffic18,375 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Md 155 over I-95 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1983.

What condition is Md 155 over I-95 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 March 2024.

How much traffic does Md 155 over I-95 carry?

About 15,420 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Md 155 over I-95?

The structure is 243 ft (74.2 m) long with a longest span of 84 ft (25.6 m) and a deck 48 ft wide.

Who owns Md 155 over I-95?

It is owned by the State Toll Authority.