US Bridges

Mlk Exp - Ramp SW over Unknown

Good

Portsmouth city, Virginia · 0.00 MI to I-264 · Structure no. 000000000030139

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
471 ft
3 main spans
Daily traffic
9,665
2014 count
Owner
State
State Highway Agency

About this bridge

Mlk Exp - Ramp SW over Unknown is a steel continuous stringer/multi-beam or girder carrying Mlk Exp - Ramp SW over Unknown in Portsmouth city, Virginia. It was built in 2016, so it is 9 years old, younger than the Virginia average of 50.7 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 9,665 vehicles a day, projected to reach 13,093 by 2042. The structure is 471 ft (143.6 m) long and 33 ft wide.

CarriesMlk Exp - Ramp SW
CrossesUnknown
Location0.00 MI to I-264
RouteInterstate 0
Coordinates36.82764, -76.32603
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.5 US tons
Inventory rating65.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length471 ft (143.6 m)
Longest span182 ft (55.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,665 (2014)
Projected traffic13,093 by 2042
Trucks—
Lanes on structure1
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 byPrivate (other than railroad)
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 Mlk Exp - Ramp SW over Unknown built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mlk Exp - Ramp SW over Unknown 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 October 2024.

How much traffic does Mlk Exp - Ramp SW over Unknown carry?

About 9,665 vehicles per day (2014 count).

How long is Mlk Exp - Ramp SW over Unknown?

The structure is 471 ft (143.6 m) long with a longest span of 182 ft (55.5 m) and a deck 33 ft wide.

Who owns Mlk Exp - Ramp SW over Unknown?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).