US Bridges

SR 337 over Is 564 Ramps a & B

Fair

Norfolk city, Virginia · End I-564 N.A.S. Gate 3 · Structure no. 000000000021021

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
3 main spans
Daily traffic
14,187
2022 count
Owner
State
State Highway Agency

About this bridge

SR 337 over Is 564 Ramps a & B is a steel stringer/multi-beam or girder carrying SR 337 over Is 564 Ramps a & B in Norfolk city, Virginia. It was built in 1977, so it is 48 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 14,187 vehicles a day, projected to reach 15,819 by 2045. The structure is 188 ft (57.3 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 337
CrossesIs 564 Ramps a & B
LocationEnd I-564 N.A.S. Gate 3
RouteState Highway 337
CountyNorfolk city
StateVirginia
Coordinates36.94395, -76.30691
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length188 ft (57.3 m)
Longest span103 ft (31.4 m)
Deck width96 ft (29.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,187 (2022)
Projected traffic15,819 by 2045
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 SR 337 over Is 564 Ramps a & B built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 337 over Is 564 Ramps a & B 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 2023.

How much traffic does SR 337 over Is 564 Ramps a & B carry?

About 14,187 vehicles per day (2022 count).

How long is SR 337 over Is 564 Ramps a & B?

The structure is 188 ft (57.3 m) long with a longest span of 103 ft (31.4 m) and a deck 96 ft wide.

Who owns SR 337 over Is 564 Ramps a & B?

It is owned by the State Highway Agency.