US Bridges

N. Main Street over Blacks Run

Good

Harrisonburg city, Virginia · 0.02 Gay - 0.02 N Liberty · Structure no. 000000000020437

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
3,134
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Main Street over Blacks Run is a concrete slab carrying N. Main Street over Blacks Run in Harrisonburg city, Virginia. It was built in 2001, so it is 24 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 3,134 vehicles a day, projected to reach 4,576 by 2045. The structure is 32 ft (9.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN. Main Street
CrossesBlacks Run
Location0.02 Gay - 0.02 N Liberty
RouteU.S. Route 11
CountyHarrisonburg city
StateVirginia
Coordinates38.45373, -78.86746
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.1 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width47 ft (14.4 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,134 (2022)
Projected traffic4,576 by 2045
Trucks0%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$505 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Main Street over Blacks Run built?

It was built in 2001, making it 24 years old in 2025.

What condition is N. Main 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 2023.

How much traffic does N. Main Street over Blacks Run carry?

About 3,134 vehicles per day (2022 count).

How long is N. Main Street over Blacks Run?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 47 ft wide.

Who owns N. Main Street over Blacks Run?

It is owned by the City or Municipal Highway Agency.