US Bridges

Is 97 Sbr over Md 997D

Good

Anne Arundel County, Maryland · 0.09 MI N of Md 3 · Structure no. 100000020142012

Built
1989
36 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
102,300
2009 count
Owner
State
State Highway Agency

About this bridge

Is 97 Sbr over Md 997D is a steel stringer/multi-beam or girder carrying Is 97 Sbr over Md 997D in Anne Arundel County, Maryland. It was built in 1989, so it is 36 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 102,300 vehicles a day, roughly 8% of them trucks, projected to reach 145,840 by 2029. The structure is 116 ft (35.4 m) long and 45 ft wide.

CarriesIs 97 Sbr
CrossesMd 997D
Location0.09 MI N of Md 3
RouteInterstate 97
Coordinates39.07233, -76.63365
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length116 ft (35.4 m)
Longest span112 ft (34.1 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,300 (2009)
Projected traffic145,840 by 2029
Trucks8%
Lanes on structure2
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 Sbr over Md 997D built?

It was built in 1989, making it 36 years old in 2025.

What condition is Is 97 Sbr over Md 997D 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 July 2023.

How much traffic does Is 97 Sbr over Md 997D carry?

About 102,300 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 97 Sbr over Md 997D?

The structure is 116 ft (35.4 m) long with a longest span of 112 ft (34.1 m) and a deck 45 ft wide.

Who owns Is 97 Sbr over Md 997D?

It is owned by the State Highway Agency.