US Bridges

Is 97 Nbr over Md 3 Business

Good

Anne Arundel County, Maryland · 1.19 Mile South of Md 174 · Structure no. 100000020065011

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
135,900
2009 count
Owner
State
State Highway Agency

About this bridge

Is 97 Nbr over Md 3 Business is a steel continuous stringer/multi-beam or girder carrying Is 97 Nbr over Md 3 Business 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 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 135,900 vehicles a day, roughly 8% of them trucks, projected to reach 126,830 by 2029. The structure is 256 ft (78 m) long and 60 ft wide.

CarriesIs 97 Nbr
CrossesMd 3 Business
Location1.19 Mile South of Md 174
RouteInterstate 97
Coordinates39.12766, -76.641
Functional classUrban Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length256 ft (78 m)
Longest span124 ft (37.8 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135,900 (2009)
Projected traffic126,830 by 2029
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Nbr over Md 3 Business built?

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

What condition is Is 97 Nbr over Md 3 Business 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 August 2024.

How much traffic does Is 97 Nbr over Md 3 Business carry?

About 135,900 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 97 Nbr over Md 3 Business?

The structure is 256 ft (78 m) long with a longest span of 124 ft (37.8 m) and a deck 60 ft wide.

Who owns Is 97 Nbr over Md 3 Business?

It is owned by the State Highway Agency.