US Bridges

Northside Rd./ 630 over Sinking Creek

Good

Craig County, Virginia · 0.03 Rt 42; 3.37 Rt 629 · Structure no. 000000000026807

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
92
2017 count
Owner
State
State Highway Agency

About this bridge

Northside Rd./ 630 over Sinking Creek is a prestressed concrete slab carrying Northside Rd./ 630 over Sinking Creek in Craig County, Virginia. It was built in 1999, so it is 26 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 92 vehicles a day, projected to reach 105 by 2045. The structure is 79 ft (24.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorthside Rd./ 630
CrossesSinking Creek
Location0.03 Rt 42; 3.37 Rt 629
RouteCounty Highway 630
Coordinates37.34188, -80.41076
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating63.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2017)
Projected traffic105 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$50 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northside Rd./ 630 over Sinking Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Northside Rd./ 630 over Sinking Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

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

About 92 vehicles per day (2017 count).

How long is Northside Rd./ 630 over Sinking Creek?

The structure is 79 ft (24.1 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Northside Rd./ 630 over Sinking Creek?

It is owned by the State Highway Agency.