US Bridges

Jackson River HWY over Jackson River

Fair

Alleghany County, Virginia · 0.20 to 680 & 0.60 to 642 · Structure no. 000000000001187

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
2 main spans
Daily traffic
1,847
2022 count
Owner
State
State Highway Agency

About this bridge

Jackson River HWY over Jackson River is a steel continuous stringer/multi-beam or girder carrying Jackson River HWY over Jackson River in Alleghany County, Virginia. It was built in 1950, so it is 75 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 1,847 vehicles a day, projected to reach 2,059 by 2045. The structure is 265 ft (80.8 m) long and 24 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesJackson River HWY
CrossesJackson River
Location0.20 to 680 & 0.60 to 642
RouteCounty Highway 687
Coordinates37.84184, -79.98896
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 11 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length265 ft (80.8 m)
Longest span99 ft (30.2 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,847 (2022)
Projected traffic2,059 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$114.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson River HWY over Jackson River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Jackson River HWY over Jackson River 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 May 2024.

How much traffic does Jackson River HWY over Jackson River carry?

About 1,847 vehicles per day (2022 count).

How long is Jackson River HWY over Jackson River?

The structure is 265 ft (80.8 m) long with a longest span of 99 ft (30.2 m) and a deck 24 ft wide.

Who owns Jackson River HWY over Jackson River?

It is owned by the State Highway Agency.