US Bridges

Md 3 Sbr over Md 997D

Fair

Anne Arundel County, Maryland · 0.41 MI N of Is 97 · Structure no. 100000020143010

Built
1989
36 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
52,720
2009 count
Owner
State
State Highway Agency

About this bridge

Md 3 Sbr over Md 997D is a steel stringer/multi-beam or girder carrying Md 3 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 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 52,720 vehicles a day, roughly 8% of them trucks, projected to reach 62,689 by 2026. The structure is 116 ft (35.4 m) long and 42 ft wide.

CarriesMd 3 Sbr
CrossesMd 997D
Location0.41 MI N of Is 97
RouteState Highway 3
Coordinates39.07251, -76.63384
Functional classUrban Other Principal Arterial

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.9 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 width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,720 (2009)
Projected traffic62,689 by 2026
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 3 Sbr over Md 997D built?

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

What condition is Md 3 Sbr over Md 997D 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 July 2023.

How much traffic does Md 3 Sbr over Md 997D carry?

About 52,720 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 3 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 42 ft wide.

Who owns Md 3 Sbr over Md 997D?

It is owned by the State Highway Agency.