US Bridges

West Main ST (11) over Little Bear Rock Branch

Good

Roanoke County, Virginia · 0.01-RT 777;0.31-RT 612 · Structure no. 000000000030037

Built
2012
13 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
8,901
2022 count
Owner
State
State Highway Agency

About this bridge

West Main ST (11) over Little Bear Rock Branch is a concrete slab carrying West Main ST (11) over Little Bear Rock Branch in Roanoke County, Virginia. It was built in 2012, so it is 13 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 8,901 vehicles a day, projected to reach 9,925 by 2042. The structure is 44 ft (13.5 m) long and 109 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWest Main ST (11)
CrossesLittle Bear Rock Branch
Location0.01-RT 777;0.31-RT 612
RouteU.S. Route 11
CountyRoanoke County
StateVirginia
Coordinates37.27162, -80.13945
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.5 m)
Longest span44 ft (13.5 m)
Deck width109 ft (33.1 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,901 (2022)
Projected traffic9,925 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 West Main ST (11) over Little Bear Rock Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is West Main ST (11) over Little Bear Rock 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 March 2024.

How much traffic does West Main ST (11) over Little Bear Rock Branch carry?

About 8,901 vehicles per day (2022 count).

How long is West Main ST (11) over Little Bear Rock Branch?

The structure is 44 ft (13.5 m) long with a longest span of 44 ft (13.5 m) and a deck 109 ft wide.

Who owns West Main ST (11) over Little Bear Rock Branch?

It is owned by the State Highway Agency.