US Bridges

Natural Tunnel Pky over Norfolk Southern RR

Good

Scott County, Virginia · 0.46 to 654; 0.01 to 653 · Structure no. 000000000026290

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
354
2022 count
Owner
State
State Highway Agency

About this bridge

Natural Tunnel Pky over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying Natural Tunnel Pky over Norfolk Southern RR in Scott 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 354 vehicles a day, roughly 1% of them trucks, projected to reach 395 by 2042. The structure is 133 ft (40.5 m) long and 33 ft wide.

CarriesNatural Tunnel Pky
CrossesNorfolk Southern RR
Location0.46 to 654; 0.01 to 653
RouteCounty Highway 871
Coordinates36.73012, -82.76164
Functional classRural Minor Collector

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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic354 (2022)
Projected traffic395 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natural Tunnel Pky over Norfolk Southern RR built?

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

What condition is Natural Tunnel Pky over Norfolk Southern RR 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 April 2024.

How much traffic does Natural Tunnel Pky over Norfolk Southern RR carry?

About 354 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Natural Tunnel Pky over Norfolk Southern RR?

The structure is 133 ft (40.5 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns Natural Tunnel Pky over Norfolk Southern RR?

It is owned by the State Highway Agency.