US Bridges

I-664 Sbl Ramp over SR 164

Fair

Suffolk city, Virginia · 0.40 MI FR I-664 · Structure no. 000000000023093

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
2 main spans
Daily traffic
5,485
2022 count
Owner
State
State Highway Agency

About this bridge

I-664 Sbl Ramp over SR 164 is a steel continuous stringer/multi-beam or girder carrying I-664 Sbl Ramp over SR 164 in Suffolk city, Virginia. It was built in 1991, so it is 34 years old, younger than the Virginia average of 50.7 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 5,485 vehicles a day, roughly 5% of them trucks, projected to reach 8,010 by 2045. The structure is 234 ft (71.3 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-664 Sbl Ramp
CrossesSR 164
Location0.40 MI FR I-664
RouteInterstate 664
CountySuffolk city
StateVirginia
Coordinates36.86714, -76.43514
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating72.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length234 ft (71.3 m)
Longest span116 ft (35.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,485 (2022)
Projected traffic8,010 by 2045
Trucks5%
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 I-664 Sbl Ramp over SR 164 built?

It was built in 1991, making it 34 years old in 2025.

What condition is I-664 Sbl Ramp over SR 164 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 August 2023.

How much traffic does I-664 Sbl Ramp over SR 164 carry?

About 5,485 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-664 Sbl Ramp over SR 164?

The structure is 234 ft (71.3 m) long with a longest span of 116 ft (35.4 m) and a deck 34 ft wide.

Who owns I-664 Sbl Ramp over SR 164?

It is owned by the State Highway Agency.