US Bridges

Carey Street over I-170

Fair

Baltimore city, Maryland · 0.1 MI N of Saratoga ST · Structure no. 200000BC1407010

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
178 ft
3 main spans
Daily traffic
4,070
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carey Street over I-170 is a concrete continuous box beam or girders - single or spread carrying Carey Street over I-170 in Baltimore city, Maryland. It was built in 1978, so it is 47 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 4,070 vehicles a day, roughly 5% of them trucks, projected to reach 4,966 by 2044. The structure is 178 ft (54.3 m) long and 70 ft wide.

Location

Open in Google Maps
CarriesCarey Street
CrossesI-170
Location0.1 MI N of Saratoga ST
RouteCity Street 1870
CountyBaltimore city
StateMaryland
Coordinates39.29381, -76.63856
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 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 rating74 US tons
Inventory rating44.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span77 ft (23.5 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,070 (2024)
Projected traffic4,966 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$90,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carey Street over I-170 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Carey Street over I-170 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 June 2024.

How much traffic does Carey Street over I-170 carry?

About 4,070 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Carey Street over I-170?

The structure is 178 ft (54.3 m) long with a longest span of 77 ft (23.5 m) and a deck 70 ft wide.

Who owns Carey Street over I-170?

It is owned by the City or Municipal Highway Agency.