US Bridges

Md 4 Ramp 5 over Md 4

Good

Calvert County, Maryland · 0.12 M S of Aa/Cal Line · Structure no. 100000040030010

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
318 ft
2 main spans
Daily traffic
7,166
2006 count
Owner
State
State Highway Agency

About this bridge

Md 4 Ramp 5 over Md 4 is a steel continuous stringer/multi-beam or girder carrying Md 4 Ramp 5 over Md 4 in Calvert County, Maryland. It was built in 2003, so it is 22 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 7,166 vehicles a day, roughly 6% of them trucks, projected to reach 8,262 by 2026. The structure is 318 ft (96.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesMd 4 Ramp 5
CrossesMd 4
Location0.12 M S of Aa/Cal Line
RouteState Highway 4
Functional classRural Principal Arterial - Other

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length318 ft (96.9 m)
Longest span154 ft (46.9 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,166 (2006)
Projected traffic8,262 by 2026
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 4 Ramp 5 over Md 4 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Md 4 Ramp 5 over Md 4 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 2024.

How much traffic does Md 4 Ramp 5 over Md 4 carry?

About 7,166 vehicles per day (2006 count), of which roughly 6% are trucks.

How long is Md 4 Ramp 5 over Md 4?

The structure is 318 ft (96.9 m) long with a longest span of 154 ft (46.9 m) and a deck 31 ft wide.

Who owns Md 4 Ramp 5 over Md 4?

It is owned by the State Highway Agency.