US Bridges

Monroe Street Viad over CSX Railroad

Good

Baltimore city, Maryland · 0.1 MI NW of I-95 · Structure no. 200000BC5214010

Built
1955
70 years old, rebuilt 2006
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
893 ft
3 main spans
Daily traffic
16,943
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monroe Street Viad over CSX Railroad is a steel continuous stringer/multi-beam or girder carrying Monroe Street Viad over CSX Railroad in Baltimore city, Maryland. It was built in 1955 and reconstructed in 2006, so it is 70 years old, older 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 16,943 vehicles a day, roughly 10% of them trucks, projected to reach 25,425 by 2044. The structure is 893 ft (272.2 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonroe Street Viad
CrossesCSX Railroad
Location0.1 MI NW of I-95
RouteCity Street 43
Coordinates39.27149, -76.63727
Functional classUrban Other Principal Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length893 ft (272.2 m)
Longest span160 ft (48.8 m)
Deck width61 ft (18.6 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic16,943 (2024)
Projected traffic25,425 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$12,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Monroe Street Viad over CSX Railroad built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2006.

What condition is Monroe Street Viad over CSX Railroad 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 October 2024.

How much traffic does Monroe Street Viad over CSX Railroad carry?

About 16,943 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Monroe Street Viad over CSX Railroad?

The structure is 893 ft (272.2 m) long with a longest span of 160 ft (48.8 m) and a deck 61 ft wide.

Who owns Monroe Street Viad over CSX Railroad?

It is owned by the City or Municipal Highway Agency.