US Bridges

Walnut Ave. over Williamson Rd; NSRR

Fair

Roanoke city, Virginia · .01 E JEFF;.01 W Piedmont · Structure no. 000000000021688

Built
1928
97 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
568 ft
5 main spans
Daily traffic
5,311
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Ave. over Williamson Rd; NSRR is a concrete arch - deck carrying Walnut Ave. over Williamson Rd; NSRR in Roanoke city, Virginia. It was built in 1928, so it is 97 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 5 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 5,311 vehicles a day, projected to reach 7,754 by 2042. The structure is 568 ft (173.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWalnut Ave.
CrossesWilliamson Rd; NSRR
Location.01 E JEFF;.01 W Piedmont
RouteState Highway 116
CountyRoanoke city
StateVirginia
Coordinates37.25936, -79.93887
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 21 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length568 ft (173.1 m)
Longest span115 ft (34.9 m)
Deck width42 ft (12.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,311 (2022)
Projected traffic7,754 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$301 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Ave. over Williamson Rd; NSRR built?

It was built in 1928, making it 97 years old in 2025.

What condition is Walnut Ave. over Williamson Rd; NSRR 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 January 2024.

How much traffic does Walnut Ave. over Williamson Rd; NSRR carry?

About 5,311 vehicles per day (2022 count).

How long is Walnut Ave. over Williamson Rd; NSRR?

The structure is 568 ft (173.1 m) long with a longest span of 115 ft (34.9 m) and a deck 42 ft wide.

Who owns Walnut Ave. over Williamson Rd; NSRR?

It is owned by the City or Municipal Highway Agency.