US Bridges

11 (460) W Main ST over Seasonal Stream

Fair

Roanoke County, Virginia · 5.30-RT112; 1.64-MONTG CO · Structure no. 000000000014849

Built
1932
93 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
8,530
2022 count
Owner
State
State Highway Agency

About this bridge

11 (460) W Main ST over Seasonal Stream is a concrete culvert carrying 11 (460) W Main ST over Seasonal Stream in Roanoke County, Virginia. It was built in 1932, so it is 93 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 8,530 vehicles a day, projected to reach 9,511 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries11 (460) W Main ST
CrossesSeasonal Stream
Location5.30-RT112; 1.64-MONTG CO
RouteU.S. Route 11
CountyRoanoke County
StateVirginia
Coordinates37.25137, -80.17401
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,530 (2022)
Projected traffic9,511 by 2045
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$122.6 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 11 (460) W Main ST over Seasonal Stream built?

It was built in 1932, making it 93 years old in 2025.

What condition is 11 (460) W Main ST over Seasonal Stream 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 April 2023.

How much traffic does 11 (460) W Main ST over Seasonal Stream carry?

About 8,530 vehicles per day (2022 count).

How long is 11 (460) W Main ST over Seasonal Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 11 (460) W Main ST over Seasonal Stream?

It is owned by the State Highway Agency.