US Bridges

Route 123 Nbl over Campus Drive

Good

Fairfax County, Virginia · 0.20FR620 0.20TO383 · Structure no. 000000000030098

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
1 main span
Daily traffic
12,720
2022 count
Owner
State
State Highway Agency

About this bridge

Route 123 Nbl over Campus Drive is a concrete stringer/multi-beam or girder carrying Route 123 Nbl over Campus Drive in Fairfax County, Virginia. It was built in 2014, so it is 11 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 12,720 vehicles a day, projected to reach 18,573 by 2042. The structure is 91 ft (27.7 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 123 Nbl
CrossesCampus Drive
Location0.20FR620 0.20TO383
RouteState Highway 123
Coordinates38.83234, -77.31433
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.2 US tons
Inventory rating67.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span89 ft (27.1 m)
Deck width53 ft (16.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic12,720 (2022)
Projected traffic18,573 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 123 Nbl over Campus Drive built?

It was built in 2014, making it 11 years old in 2025.

What condition is Route 123 Nbl over Campus Drive 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 2024.

How much traffic does Route 123 Nbl over Campus Drive carry?

About 12,720 vehicles per day (2022 count).

How long is Route 123 Nbl over Campus Drive?

The structure is 91 ft (27.7 m) long with a longest span of 89 ft (27.1 m) and a deck 53 ft wide.

Who owns Route 123 Nbl over Campus Drive?

It is owned by the State Highway Agency.