US Bridges

Roanoke RD/460 over Brake Branch

Good

Montgomery County, Virginia · 2.57-ROA.CO; 10.49 - I-81 · Structure no. 000000000012122

Built
1950
75 years old, rebuilt 2006
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
8,687
2022 count
Owner
State
State Highway Agency

About this bridge

Roanoke RD/460 over Brake Branch is a concrete continuous slab carrying Roanoke RD/460 over Brake Branch in Montgomery County, Virginia. It was built in 1950 and reconstructed in 2006, so it is 75 years old, older 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 8,687 vehicles a day, projected to reach 9,686 by 2042. The structure is 58 ft (17.8 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRoanoke RD/460
CrossesBrake Branch
Location2.57-ROA.CO; 10.49 - I-81
RouteU.S. Route 11
CountyMontgomery County
StateVirginia
Coordinates37.21571, -80.23216
Functional classUrban Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length58 ft (17.8 m)
Longest span22 ft (6.7 m)
Deck width94 ft (28.6 m)
Roadway width91 ft (27.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,687 (2022)
Projected traffic9,686 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roanoke RD/460 over Brake Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2006.

What condition is Roanoke RD/460 over Brake Branch 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 May 2024.

How much traffic does Roanoke RD/460 over Brake Branch carry?

About 8,687 vehicles per day (2022 count).

How long is Roanoke RD/460 over Brake Branch?

The structure is 58 ft (17.8 m) long with a longest span of 22 ft (6.7 m) and a deck 94 ft wide.

Who owns Roanoke RD/460 over Brake Branch?

It is owned by the State Highway Agency.