US Bridges

Marlyn Avenue over Md 702

Fair

Baltimore County, Maryland · 0.69 MI N of Md 150 · Structure no. 100000030277010

Built
1973
52 years old, rebuilt 1974
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
389 ft
4 main spans
Daily traffic
7,687
1994 count
Owner
State
State Highway Agency

About this bridge

Marlyn Avenue over Md 702 is a steel continuous stringer/multi-beam or girder carrying Marlyn Avenue over Md 702 in Baltimore County, Maryland. It was built in 1973 and reconstructed in 1974, so it is 52 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 7,687 vehicles a day, roughly 5% of them trucks, projected to reach 8,223 by 2012. The structure is 389 ft (118.6 m) long and 54 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMarlyn Avenue
CrossesMd 702
Location0.69 MI N of Md 150
RouteCounty Highway 4589
CountyBaltimore County
StateMaryland
Coordinates39.32216, -76.46239
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.5 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length389 ft (118.6 m)
Longest span109 ft (33.2 m)
Deck width54 ft (16.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,687 (1994)
Projected traffic8,223 by 2012
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marlyn Avenue over Md 702 built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1974.

What condition is Marlyn Avenue over Md 702 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 September 2024.

How much traffic does Marlyn Avenue over Md 702 carry?

About 7,687 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Marlyn Avenue over Md 702?

The structure is 389 ft (118.6 m) long with a longest span of 109 ft (33.2 m) and a deck 54 ft wide.

Who owns Marlyn Avenue over Md 702?

It is owned by the State Highway Agency.