US Bridges

Northside ROAD/630 over Sinking Creek

Fair

Craig County, Virginia · 0.30 Rt 629; 3.10 Rt 42 · Structure no. 000000000005539

Built
1940
85 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
61
2017 count
Owner
State
State Highway Agency

About this bridge

Northside ROAD/630 over Sinking Creek is a steel stringer/multi-beam or girder carrying Northside ROAD/630 over Sinking Creek in Craig County, Virginia. It was built in 1940, so it is 85 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 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 61 vehicles a day, projected to reach 70 by 2045. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNorthside ROAD/630
CrossesSinking Creek
Location0.30 Rt 629; 3.10 Rt 42
RouteCounty Highway 630
CountyCraig County
StateVirginia
Coordinates37.3516, -80.37967
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating94 US tons
Inventory rating72 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2017)
Projected traffic70 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$124.8 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northside ROAD/630 over Sinking Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Northside ROAD/630 over Sinking Creek 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 August 2023.

How much traffic does Northside ROAD/630 over Sinking Creek carry?

About 61 vehicles per day (2017 count).

How long is Northside ROAD/630 over Sinking Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 19 ft wide.

Who owns Northside ROAD/630 over Sinking Creek?

It is owned by the State Highway Agency.