US Bridges

Is 97 over Md 648E Mta Light Rail

Fair

Anne Arundel County, Maryland · 0.78 Mile North of Md 176 · Structure no. 100000020060010

Built
1955
70 years old, rebuilt 1979
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
5 main spans
Daily traffic
124,594
2021 count
Owner
State
State Highway Agency

About this bridge

Is 97 over Md 648E Mta Light Rail is a steel continuous stringer/multi-beam or girder carrying Is 97 over Md 648E Mta Light Rail in Anne Arundel County, Maryland. It was built in 1955 and reconstructed in 1979, 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 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 124,594 vehicles a day, roughly 8% of them trucks, projected to reach 170,139 by 2041. The structure is 262 ft (79.9 m) long and 135 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 97
CrossesMd 648E Mta Light Rail
Location0.78 Mile North of Md 176
RouteInterstate 97
Coordinates39.17581, -76.63634
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span63 ft (19.2 m)
Deck width135 ft (41.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124,594 (2021)
Projected traffic170,139 by 2041
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 97 over Md 648E Mta Light Rail built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1979.

What condition is Is 97 over Md 648E Mta Light Rail 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 October 2024.

How much traffic does Is 97 over Md 648E Mta Light Rail carry?

About 124,594 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Is 97 over Md 648E Mta Light Rail?

The structure is 262 ft (79.9 m) long with a longest span of 63 ft (19.2 m) and a deck 135 ft wide.

Who owns Is 97 over Md 648E Mta Light Rail?

It is owned by the State Highway Agency.