US Bridges

West Grace Street over Blacks Run

Good

Harrisonburg city, Virginia · 0020S Main ST0002S High S · Structure no. 000000000025243

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
4,639
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Grace Street over Blacks Run is a concrete slab carrying West Grace Street over Blacks Run in Harrisonburg city, Virginia. It was built in 1997, so it is 28 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 4,639 vehicles a day, roughly 1% of them trucks, projected to reach 5,172 by 2042. The structure is 37 ft (11.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Grace Street
CrossesBlacks Run
Location0020S Main ST0002S High S
RouteCity Street 0
Coordinates38.44348, -78.87784
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating71 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span37 ft (11.4 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,639 (2022)
Projected traffic5,172 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West Grace Street over Blacks Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is West Grace Street over Blacks Run 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 May 2024.

How much traffic does West Grace Street over Blacks Run carry?

About 4,639 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is West Grace Street over Blacks Run?

The structure is 37 ft (11.4 m) long with a longest span of 37 ft (11.4 m) and a deck 41 ft wide.

Who owns West Grace Street over Blacks Run?

It is owned by the City or Municipal Highway Agency.