US Bridges

Craig Robertson RD over Granand Branch

Good

Roanoke city, Virginia · 0004GDN Cty B · Structure no. 000000000021646

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
350
1981 count
Owner
City
City or Municipal Highway Agency

About this bridge

Craig Robertson RD over Granand Branch is a concrete culvert carrying Craig Robertson RD over Granand Branch in Roanoke city, Virginia. It was built in 1993, so it is 32 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 700 by 2042. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCraig Robertson RD
CrossesGranand Branch
Location0004GDN Cty B
RouteCity Street 0
Coordinates37.24416, -79.91988
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (1981)
Projected traffic700 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$73 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Craig Robertson RD over Granand Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Craig Robertson RD over Granand 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 September 2024.

How much traffic does Craig Robertson RD over Granand Branch carry?

About 350 vehicles per day (1981 count), of which roughly 5% are trucks.

How long is Craig Robertson RD over Granand Branch?

The structure is 39 ft (11.8 m) long with a longest span of 12 ft (3.8 m).

Who owns Craig Robertson RD over Granand Branch?

It is owned by the City or Municipal Highway Agency.