US Bridges

I-81 Nbl over CSX Railroad

Fair

Shenandoah County, Virginia · 0.94 to 55 - 0.83 to 11 · Structure no. 000000000017011

Built
1965
60 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
216 ft
3 main spans
Daily traffic
28,195
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Nbl over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying I-81 Nbl over CSX Railroad in Shenandoah County, Virginia. It was built in 1965, so it is 60 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 28,195 vehicles a day, roughly 1% of them trucks, projected to reach 41,165 by 2042. The structure is 216 ft (65.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-81 Nbl
CrossesCSX Railroad
Location0.94 to 55 - 0.83 to 11
RouteInterstate 81
CountyShenandoah County
StateVirginia
Coordinates39.01353, -78.34876
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length216 ft (65.8 m)
Longest span72 ft (21.9 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,195 (2022)
Projected traffic41,165 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$351 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Nbl over CSX Railroad built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-81 Nbl over CSX Railroad 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 2022.

How much traffic does I-81 Nbl over CSX Railroad carry?

About 28,195 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-81 Nbl over CSX Railroad?

The structure is 216 ft (65.8 m) long with a longest span of 72 ft (21.9 m) and a deck 44 ft wide.

Who owns I-81 Nbl over CSX Railroad?

It is owned by the State Highway Agency.