US Bridges

Guilford Avenue over I-83 and AMTRAK Railroad

Fair

Baltimore city, Maryland · 0.08 MI S of Calvert ST · Structure no. 200000BC1402010

Built
1930
95 years old, rebuilt 1990
Condition
Fair
inspected December 2024
Type
Arch - Thru
Steel
Length
400 ft
1 main span
Daily traffic
12,191
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Guilford Avenue over I-83 and AMTRAK Railroad is a steel arch - thru carrying Guilford Avenue over I-83 and AMTRAK Railroad in Baltimore city, Maryland. It was built in 1930 and reconstructed in 1990, so it is 95 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 12,191 vehicles a day, roughly 5% of them trucks, projected to reach 14,875 by 2042. The structure is 400 ft (121.9 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGuilford Avenue
CrossesI-83 and AMTRAK Railroad
Location0.08 MI S of Calvert ST
RouteCity Street 4055
CountyBaltimore city
StateMaryland
Coordinates39.30586, -76.61207
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.5 US tons
Inventory rating26.5 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span174 ft (53 m)
Deck width64 ft (19.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic12,191 (2022)
Projected traffic14,875 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
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$18,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Guilford Avenue over I-83 and AMTRAK Railroad built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1990.

What condition is Guilford Avenue over I-83 and AMTRAK Railroad 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 December 2024.

How much traffic does Guilford Avenue over I-83 and AMTRAK Railroad carry?

About 12,191 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Guilford Avenue over I-83 and AMTRAK Railroad?

The structure is 400 ft (121.9 m) long with a longest span of 174 ft (53 m) and a deck 64 ft wide.

Who owns Guilford Avenue over I-83 and AMTRAK Railroad?

It is owned by the City or Municipal Highway Agency.