US Bridges

Route I-81 (nbl) over Route 808 & Sinking Ck

Good

Washington County, Virginia · 1.15 Fr. 11; 1.97 to 611 · Structure no. 000000000030766

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
1 main span
Daily traffic
26,062
2022 count
Owner
State
State Highway Agency

About this bridge

Route I-81 (nbl) over Route 808 & Sinking Ck is a steel stringer/multi-beam or girder carrying Route I-81 (nbl) over Route 808 & Sinking Ck in Washington County, Virginia. It was built in 2017, so it is 8 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 26,062 vehicles a day, roughly 1% of them trucks, projected to reach 27,977 by 2045. The structure is 141 ft (43 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute I-81 (nbl)
CrossesRoute 808 & Sinking Ck
Location1.15 Fr. 11; 1.97 to 611
RouteInterstate 81
Coordinates36.65936, -82.06656
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length141 ft (43 m)
Longest span139 ft (42.4 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,062 (2022)
Projected traffic27,977 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route I-81 (nbl) over Route 808 & Sinking Ck built?

It was built in 2017, making it 8 years old in 2025.

What condition is Route I-81 (nbl) over Route 808 & Sinking Ck 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 September 2023.

How much traffic does Route I-81 (nbl) over Route 808 & Sinking Ck carry?

About 26,062 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route I-81 (nbl) over Route 808 & Sinking Ck?

The structure is 141 ft (43 m) long with a longest span of 139 ft (42.4 m) and a deck 74 ft wide.

Who owns Route I-81 (nbl) over Route 808 & Sinking Ck?

It is owned by the State Highway Agency.