US Bridges

I-664 Sbl over US17 & SR164 Ebl Ramp

Fair

Suffolk city, Virginia · 0.8 MI FR Route 658 · Structure no. 000000000023096

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
27,217
2022 count
Owner
State
State Highway Agency

About this bridge

I-664 Sbl over US17 & SR164 Ebl Ramp is a steel continuous stringer/multi-beam or girder carrying I-664 Sbl over US17 & SR164 Ebl Ramp 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 27,217 vehicles a day, projected to reach 34,699 by 2042. The structure is 243 ft (74.1 m) long and 56 ft wide.

CarriesI-664 Sbl
CrossesUS17 & SR164 Ebl Ramp
Location0.8 MI FR Route 658
RouteInterstate 664
Coordinates36.86566, -76.43239
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length243 ft (74.1 m)
Longest span88 ft (26.8 m)
Deck width56 ft (17.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,217 (2022)
Projected traffic34,699 by 2042
Trucks0%
Lanes on structure3
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 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 over US17 & SR164 Ebl Ramp built?

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

What condition is I-664 Sbl over US17 & SR164 Ebl Ramp 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 2024.

How much traffic does I-664 Sbl over US17 & SR164 Ebl Ramp carry?

About 27,217 vehicles per day (2022 count).

How long is I-664 Sbl over US17 & SR164 Ebl Ramp?

The structure is 243 ft (74.1 m) long with a longest span of 88 ft (26.8 m) and a deck 56 ft wide.

Who owns I-664 Sbl over US17 & SR164 Ebl Ramp?

It is owned by the State Highway Agency.