US Bridges

Memorial Ave 11 over Roanoke River

Fair

Roanoke city, Virginia · 0163220 0223WCL Roan · Structure no. 000000000021664

Built
1926
99 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
722 ft
5 main spans
Daily traffic
11,385
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Memorial Ave 11 over Roanoke River is a concrete arch - deck carrying Memorial Ave 11 over Roanoke River in Roanoke city, Virginia. It was built in 1926, so it is 99 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 11,385 vehicles a day, roughly 1% of them trucks, projected to reach 12,694 by 2042. The structure is 722 ft (220.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMemorial Ave 11
CrossesRoanoke River
Location0163220 0223WCL Roan
RouteU.S. Route 11
Coordinates37.26747, -79.96916
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating61.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadUnknown
Structure length722 ft (220.1 m)
Longest span129 ft (39.3 m)
Deck width54 ft (16.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,385 (2022)
Projected traffic12,694 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$393 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Memorial Ave 11 over Roanoke River built?

It was built in 1926, making it 99 years old in 2025.

What condition is Memorial Ave 11 over Roanoke River 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 August 2024.

How much traffic does Memorial Ave 11 over Roanoke River carry?

About 11,385 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Memorial Ave 11 over Roanoke River?

The structure is 722 ft (220.1 m) long with a longest span of 129 ft (39.3 m) and a deck 54 ft wide.

Who owns Memorial Ave 11 over Roanoke River?

It is owned by the City or Municipal Highway Agency.