US Bridges

Md 3D over Is 97

Fair

Anne Arundel County, Maryland · 0.3 MI S of Bus 3 · Structure no. 100000020140010

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
3,511
2009 count
Owner
State
State Highway Agency

About this bridge

Md 3D over Is 97 is a steel continuous stringer/multi-beam or girder carrying Md 3D over Is 97 in Anne Arundel County, Maryland. It was built in 1990, so it is 35 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 3,511 vehicles a day, roughly 5% of them trucks, projected to reach 4,083 by 2026. The structure is 240 ft (73.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 3D
CrossesIs 97
Location0.3 MI S of Bus 3
RouteState Highway 3D
Coordinates39.11105, -76.6324
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span118 ft (36 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,511 (2009)
Projected traffic4,083 by 2026
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Md 3D over Is 97 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Md 3D over Is 97 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 2023.

How much traffic does Md 3D over Is 97 carry?

About 3,511 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Md 3D over Is 97?

The structure is 240 ft (73.2 m) long with a longest span of 118 ft (36 m) and a deck 44 ft wide.

Who owns Md 3D over Is 97?

It is owned by the State Highway Agency.