US Bridges

Relocated Monroe S over Gwynns Falls

Fair

Baltimore city, Maryland · Monroe ST & Annap RD · Structure no. 200000BC5222010

Built
1975
50 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
181 ft
2 main spans
Daily traffic
20,693
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Relocated Monroe S over Gwynns Falls is a steel continuous stringer/multi-beam or girder carrying Relocated Monroe S over Gwynns Falls in Baltimore city, Maryland. It was built in 1975, so it is 50 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 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 20,693 vehicles a day, roughly 5% of them trucks, projected to reach 25,250 by 2044. The structure is 181 ft (55.2 m) long and 49 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRelocated Monroe S
CrossesGwynns Falls
LocationMonroe ST & Annap RD
RouteCity Street 43
CountyBaltimore city
StateMaryland
Coordinates39.26858, -76.63167
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span89 ft (27.1 m)
Deck width49 ft (14.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,693 (2024)
Projected traffic25,250 by 2044
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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$53,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Relocated Monroe S over Gwynns Falls built?

It was built in 1975, making it 50 years old in 2025.

What condition is Relocated Monroe S over Gwynns Falls 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 Relocated Monroe S over Gwynns Falls carry?

About 20,693 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Relocated Monroe S over Gwynns Falls?

The structure is 181 ft (55.2 m) long with a longest span of 89 ft (27.1 m) and a deck 49 ft wide.

Who owns Relocated Monroe S over Gwynns Falls?

It is owned by the City or Municipal Highway Agency.