US Bridges

Marsh Island Conn over Black Narrows

Fair

Accomack County, Virginia · 10.17FR13/.20 Main · Structure no. 000000000029042

Built
2009
16 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
729 ft
9 main spans
Daily traffic
30
2010 count
Owner
State
State Highway Agency

About this bridge

Marsh Island Conn over Black Narrows is a concrete continuous stringer/multi-beam or girder carrying Marsh Island Conn over Black Narrows in Accomack County, Virginia. It was built in 2009, so it is 16 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 30 vehicles a day, projected to reach 75 by 2042. The structure is 729 ft (222.3 m) long and 31 ft wide.

CarriesMarsh Island Conn
CrossesBlack Narrows
Location10.17FR13/.20 Main
Coordinates37.93748, -75.38155
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.7 US tons
Inventory rating43.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length729 ft (222.3 m)
Longest span84 ft (25.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2010)
Projected traffic75 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Marsh Island Conn over Black Narrows built?

It was built in 2009, making it 16 years old in 2025.

What condition is Marsh Island Conn over Black Narrows 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 April 2024.

How much traffic does Marsh Island Conn over Black Narrows carry?

About 30 vehicles per day (2010 count).

How long is Marsh Island Conn over Black Narrows?

The structure is 729 ft (222.3 m) long with a longest span of 84 ft (25.6 m) and a deck 31 ft wide.

Who owns Marsh Island Conn over Black Narrows?

It is owned by the State Highway Agency.