US Bridges

I-81 Sbl over Route 11

Fair

Augusta County, Virginia · 7.67 Rckbr CO-4.72 Rt 654 · Structure no. 000000000001769

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
249 ft
4 main spans
Daily traffic
25,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Sbl over Route 11 is a steel stringer/multi-beam or girder carrying I-81 Sbl over Route 11 in Augusta County, Virginia. It was built in 1966, so it is 59 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 25,250 vehicles a day, roughly 1% of them trucks, projected to reach 30,005 by 2045. The structure is 249 ft (76 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesI-81 Sbl
CrossesRoute 11
Location7.67 Rckbr CO-4.72 Rt 654
RouteInterstate 81
CountyAugusta County
StateVirginia
Coordinates38.02489, -79.14117
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length249 ft (76 m)
Longest span69 ft (21.1 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,250 (2022)
Projected traffic30,005 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Sbl over Route 11 built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-81 Sbl over Route 11 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 June 2023.

How much traffic does I-81 Sbl over Route 11 carry?

About 25,250 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-81 Sbl over Route 11?

The structure is 249 ft (76 m) long with a longest span of 69 ft (21.1 m) and a deck 52 ft wide.

Who owns I-81 Sbl over Route 11?

It is owned by the State Highway Agency.