US Bridges

Kingsfork Road over Lake Cohoon

Fair

Suffolk city, Virginia · 0.10 to 637 / 0.90 to 736 · Structure no. 000000000022116

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
1,622
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kingsfork Road over Lake Cohoon is a prestressed concrete box beam or girders - multiple carrying Kingsfork Road over Lake Cohoon in Suffolk city, Virginia. It was built in 1961, so it is 64 years old, older 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 1,622 vehicles a day, projected to reach 2,368 by 2042. The structure is 210 ft (64 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesKingsfork Road
CrossesLake Cohoon
Location0.10 to 637 / 0.90 to 736
RouteCity Street 634
CountySuffolk city
StateVirginia
Coordinates36.7613, -76.65685
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.2 US tons
Inventory rating20 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,622 (2022)
Projected traffic2,368 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kingsfork Road over Lake Cohoon built?

It was built in 1961, making it 64 years old in 2025.

What condition is Kingsfork Road over Lake Cohoon 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 October 2024.

How much traffic does Kingsfork Road over Lake Cohoon carry?

About 1,622 vehicles per day (2022 count).

How long is Kingsfork Road over Lake Cohoon?

The structure is 210 ft (64 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Kingsfork Road over Lake Cohoon?

It is owned by the City or Municipal Highway Agency.