US Bridges

I-664 Nbl over SR 164

Fair

Suffolk city, Virginia · 0.10 MI FR Route 17 · Structure no. 000000000023091

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
2 main spans
Daily traffic
28,819
2022 count
Owner
State
State Highway Agency

About this bridge

I-664 Nbl over SR 164 is a steel continuous stringer/multi-beam or girder carrying I-664 Nbl 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 5 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 28,819 vehicles a day, projected to reach 42,076 by 2045. The structure is 224 ft (68.3 m) long and 56 ft wide.

Location

Open in Google Maps
CarriesI-664 Nbl
CrossesSR 164
Location0.10 MI FR Route 17
RouteInterstate 664
CountySuffolk city
StateVirginia
Coordinates36.86764, -76.43242
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length224 ft (68.3 m)
Longest span111 ft (33.8 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,819 (2022)
Projected traffic42,076 by 2045
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 Nbl over SR 164 built?

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

What condition is I-664 Nbl 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 Nbl over SR 164 carry?

About 28,819 vehicles per day (2022 count).

How long is I-664 Nbl over SR 164?

The structure is 224 ft (68.3 m) long with a longest span of 111 ft (33.8 m) and a deck 56 ft wide.

Who owns I-664 Nbl over SR 164?

It is owned by the State Highway Agency.