US Bridges

Old Forty Road over Assamoosick Swamp

FairPosted for load

Sussex County, Virginia · 1.15 FR 604/0.45 to 40 · Structure no. 000000000018352

Built
1932
93 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
167
2014 count
Owner
State
State Highway Agency

About this bridge

Old Forty Road over Assamoosick Swamp is a steel stringer/multi-beam or girder carrying Old Forty Road over Assamoosick Swamp in Sussex County, Virginia. It was built in 1932, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 167 vehicles a day, projected to reach 271 by 2045. The structure is 76 ft (23.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld Forty Road
CrossesAssamoosick Swamp
Location1.15 FR 604/0.45 to 40
RouteCounty Highway 634
CountySussex County
StateVirginia
Coordinates36.97202, -77.15131
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.5 US tons
Inventory rating19.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+4 approach)
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2014)
Projected traffic271 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$203 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Forty Road over Assamoosick Swamp built?

It was built in 1932, making it 93 years old in 2025.

What condition is Old Forty Road over Assamoosick Swamp 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 March 2024.

How much traffic does Old Forty Road over Assamoosick Swamp carry?

About 167 vehicles per day (2014 count).

How long is Old Forty Road over Assamoosick Swamp?

The structure is 76 ft (23.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Old Forty Road over Assamoosick Swamp?

It is owned by the State Highway Agency.