US Bridges

I-170 EB over M.L.K. Blvd

Fair

Baltimore city, Maryland · 0.7 Mi. N. of Fayette St. · Structure no. 200000BC1107013

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
365 ft
4 main spans
Daily traffic
19,900
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-170 EB over M.L.K. Blvd is a concrete continuous box beam or girders - multiple carrying I-170 EB over M.L.K. Blvd in Baltimore city, Maryland. It was built in 1979, so it is 46 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 19,900 vehicles a day, roughly 8% of them trucks, projected to reach 24,800 by 2027. The structure is 365 ft (111.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-170 EB
CrossesM.L.K. Blvd
Location0.7 Mi. N. of Fayette St.
RouteInterstate 170
CountyBaltimore city
StateMaryland
Coordinates39.29376, -76.6285
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length365 ft (111.3 m)
Longest span110 ft (33.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,900 (2007)
Projected traffic24,800 by 2027
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$27,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-170 EB over M.L.K. Blvd built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-170 EB over M.L.K. Blvd 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 May 2024.

How much traffic does I-170 EB over M.L.K. Blvd carry?

About 19,900 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is I-170 EB over M.L.K. Blvd?

The structure is 365 ft (111.3 m) long with a longest span of 110 ft (33.5 m) and a deck 44 ft wide.

Who owns I-170 EB over M.L.K. Blvd?

It is owned by the City or Municipal Highway Agency.