US Bridges

Charles Street On- over AMTRAK Property

Good

Baltimore city, Maryland · At Charles St. over I-83 · Structure no. 200000BC1101010

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
2 main spans
Daily traffic
10,850
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Charles Street On- over AMTRAK Property is a steel stringer/multi-beam or girder carrying Charles Street On- over AMTRAK Property in Baltimore city, Maryland. It was built in 2003, so it is 22 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,850 vehicles a day, roughly 5% of them trucks, projected to reach 13,214 by 2042. The structure is 184 ft (56.1 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCharles Street On-
CrossesAMTRAK Property
LocationAt Charles St. over I-83
RouteInterstate 83
Coordinates39.30753, -76.61682
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length184 ft (56.1 m)
Longest span93 ft (28.3 m)
Deck width59 ft (18 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,850 (2022)
Projected traffic13,214 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$1,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Charles Street On- over AMTRAK Property built?

It was built in 2003, making it 22 years old in 2025.

What condition is Charles Street On- over AMTRAK Property in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Charles Street On- over AMTRAK Property carry?

About 10,850 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Charles Street On- over AMTRAK Property?

The structure is 184 ft (56.1 m) long with a longest span of 93 ft (28.3 m) and a deck 59 ft wide.

Who owns Charles Street On- over AMTRAK Property?

It is owned by the City or Municipal Highway Agency.