US Bridges

Md 424 Nbr over Is 595

Good

Anne Arundel County, Maryland · 0.81 MI N of Md 909 · Structure no. 100000020028011

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
338 ft
2 main spans
Daily traffic
13,992
2009 count
Owner
State
State Highway Agency

About this bridge

Md 424 Nbr over Is 595 is a steel stringer/multi-beam or girder carrying Md 424 Nbr over Is 595 in Anne Arundel County, Maryland. It was built in 1994, so it is 31 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 13,992 vehicles a day, roughly 8% of them trucks, projected to reach 8,649 by 2026. The structure is 338 ft (103 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 424 Nbr
CrossesIs 595
Location0.81 MI N of Md 909
RouteState Highway 424
Coordinates38.96061, -76.65442
Functional classRural Minor Arterial

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 inspectionMay 2023
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 rating110.1 US tons
Inventory rating60.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length338 ft (103 m)
Longest span170 ft (51.8 m)
Deck width54 ft (16.5 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,992 (2009)
Projected traffic8,649 by 2026
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 424 Nbr over Is 595 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Md 424 Nbr over Is 595 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 May 2023.

How much traffic does Md 424 Nbr over Is 595 carry?

About 13,992 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 424 Nbr over Is 595?

The structure is 338 ft (103 m) long with a longest span of 170 ft (51.8 m) and a deck 54 ft wide.

Who owns Md 424 Nbr over Is 595?

It is owned by the State Highway Agency.