US Bridges

S. Main ST./460 over Rte. 460 By-Pass

Fair

Montgomery County, Virginia · 460BUS over 460 By-Pass · Structure no. 000000000025843

Built
2001
24 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
783 ft
7 main spans
Daily traffic
22,896
2022 count
Owner
State
State Highway Agency

About this bridge

S. Main ST./460 over Rte. 460 By-Pass is a steel continuous stringer/multi-beam or girder carrying S. Main ST./460 over Rte. 460 By-Pass in Montgomery County, Virginia. It was built in 2001, so it is 24 years old, younger 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 22,896 vehicles a day, roughly 1% of them trucks, projected to reach 25,529 by 2042. The structure is 783 ft (238.7 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS. Main ST./460
CrossesRte. 460 By-Pass
Location460BUS over 460 By-Pass
RouteU.S. Route 460
CountyMontgomery County
StateVirginia
Coordinates37.19387, -80.40298
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length783 ft (238.7 m)
Longest span174 ft (53 m)
Deck width100 ft (30.4 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,896 (2022)
Projected traffic25,529 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S. Main ST./460 over Rte. 460 By-Pass built?

It was built in 2001, making it 24 years old in 2025.

What condition is S. Main ST./460 over Rte. 460 By-Pass 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 November 2023.

How much traffic does S. Main ST./460 over Rte. 460 By-Pass carry?

About 22,896 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is S. Main ST./460 over Rte. 460 By-Pass?

The structure is 783 ft (238.7 m) long with a longest span of 174 ft (53 m) and a deck 100 ft wide.

Who owns S. Main ST./460 over Rte. 460 By-Pass?

It is owned by the State Highway Agency.