US Bridges

Frederick Avenue over AMTRAK

Fair

Baltimore city, Maryland · At JCT With Hilton St. · Structure no. 200000BC9013010

Built
1925
100 years old, rebuilt 2001
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
100 ft
1 main span
Daily traffic
2,270
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Frederick Avenue over AMTRAK is a steel girder and floorbeam system carrying Frederick Avenue over AMTRAK in Baltimore city, Maryland. It was built in 1925 and reconstructed in 2001, so it is 100 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 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 2,270 vehicles a day, roughly 5% of them trucks, projected to reach 2,675 by 2042. The structure is 100 ft (30.5 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFrederick Avenue
CrossesAMTRAK
LocationAt JCT With Hilton St.
RouteCity Street 101
Coordinates39.28077, -76.67177
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span93 ft (28.3 m)
Deck width67 ft (20.4 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,270 (2022)
Projected traffic2,675 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$7,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Frederick Avenue over AMTRAK built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2001.

What condition is Frederick Avenue over AMTRAK 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 July 2024.

How much traffic does Frederick Avenue over AMTRAK carry?

About 2,270 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Frederick Avenue over AMTRAK?

The structure is 100 ft (30.5 m) long with a longest span of 93 ft (28.3 m) and a deck 67 ft wide.

Who owns Frederick Avenue over AMTRAK?

It is owned by the City or Municipal Highway Agency.