US Bridges

Thomason Ave over Garnand Branch

Good

Roanoke city, Virginia · 0001GAR C Bvd · Structure no. 000000000021649

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
50
1981 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thomason Ave over Garnand Branch is a concrete slab carrying Thomason Ave over Garnand Branch in Roanoke city, Virginia. It was built in 2000, so it is 25 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2042. The structure is 45 ft (13.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesThomason Ave
CrossesGarnand Branch
Location0001GAR C Bvd
RouteCity Street 0
CountyRoanoke city
StateVirginia
Coordinates37.24572, -79.91981
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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 rating61.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.8 m)
Longest span42 ft (12.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1981)
Projected traffic75 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$22 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thomason Ave over Garnand Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Thomason Ave over Garnand 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 October 2023.

How much traffic does Thomason Ave over Garnand Branch carry?

About 50 vehicles per day (1981 count), of which roughly 5% are trucks.

How long is Thomason Ave over Garnand Branch?

The structure is 45 ft (13.8 m) long with a longest span of 42 ft (12.8 m) and a deck 36 ft wide.

Who owns Thomason Ave over Garnand Branch?

It is owned by the City or Municipal Highway Agency.