US Bridges

I-170 WB Ramp over Access Road

Fair

Baltimore city, Maryland · I-170 WB Ramp over Access · Structure no. 200000BC1106010

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
23,650
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-170 WB Ramp over Access Road is a concrete slab carrying I-170 WB Ramp over Access Road 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 5 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 23,650 vehicles a day, roughly 8% of them trucks, projected to reach 29,432 by 2042. The structure is 32 ft (9.8 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-170 WB Ramp
CrossesAccess Road
LocationI-170 WB Ramp over Access
RouteInterstate 170
CountyBaltimore city
StateMaryland
Coordinates39.29444, -76.62706
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,650 (2022)
Projected traffic29,432 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-170 WB Ramp over Access Road built?

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

What condition is I-170 WB Ramp over Access Road 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 November 2024.

How much traffic does I-170 WB Ramp over Access Road carry?

About 23,650 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I-170 WB Ramp over Access Road?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns I-170 WB Ramp over Access Road?

It is owned by the City or Municipal Highway Agency.