US Bridges

Is 464 Nbl over Gilligan Creek & NS RR

Fair

Chesapeake city, Virginia · 0.47 MI FR Int Freeman Av · Structure no. 000000000021961

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,969 ft
32 main spans
Daily traffic
24,234
2022 count
Owner
State
State Highway Agency

About this bridge

Is 464 Nbl over Gilligan Creek & NS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 464 Nbl over Gilligan Creek & NS RR in Chesapeake city, Virginia. It was built in 1987, so it is 38 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 24,234 vehicles a day, projected to reach 30,685 by 2042. The structure is 1,969 ft (600.1 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 464 Nbl
CrossesGilligan Creek & NS RR
Location0.47 MI FR Int Freeman Av
RouteInterstate 464
CountyChesapeake city
StateVirginia
Coordinates36.79326, -76.28236
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating39.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans32 (+6 approach)
Design loadHS 20 + Mod
Structure length1,969 ft (600.1 m)
Longest span70 ft (21.3 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,234 (2022)
Projected traffic30,685 by 2042
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$910 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 464 Nbl over Gilligan Creek & NS RR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Is 464 Nbl over Gilligan Creek & NS RR 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 Is 464 Nbl over Gilligan Creek & NS RR carry?

About 24,234 vehicles per day (2022 count).

How long is Is 464 Nbl over Gilligan Creek & NS RR?

The structure is 1,969 ft (600.1 m) long with a longest span of 70 ft (21.3 m) and a deck 55 ft wide.

Who owns Is 464 Nbl over Gilligan Creek & NS RR?

It is owned by the State Highway Agency.