US Bridges

Ox Road Nbl over NS Railway

Fair

Fairfax County, Virginia · 00.13FR643/00.18TO660 · Structure no. 000000000006454

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
3 main spans
Daily traffic
13,520
2022 count
Owner
State
State Highway Agency

About this bridge

Ox Road Nbl over NS Railway is a steel stringer/multi-beam or girder carrying Ox Road Nbl over NS Railway in Fairfax County, Virginia. It was built in 1985, so it is 40 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,520 vehicles a day, projected to reach 19,741 by 2042. The structure is 159 ft (48.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOx Road Nbl
CrossesNS Railway
Location00.13FR643/00.18TO660
RouteState Highway 123
CountyFairfax County
StateVirginia
Coordinates38.80049, -77.32529
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 21 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.2 US tons
Inventory rating70.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span70 ft (21.3 m)
Deck width52 ft (15.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,520 (2022)
Projected traffic19,741 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$27 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ox Road Nbl over NS Railway built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ox Road Nbl over NS Railway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Ox Road Nbl over NS Railway carry?

About 13,520 vehicles per day (2022 count).

How long is Ox Road Nbl over NS Railway?

The structure is 159 ft (48.5 m) long with a longest span of 70 ft (21.3 m) and a deck 52 ft wide.

Who owns Ox Road Nbl over NS Railway?

It is owned by the State Highway Agency.