US Bridges

Lomond Drive over Flat Run

Good

Prince William County, Virginia · 00.07FR1555/00.06TO1501 · Structure no. 000000000031927

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
18,003
2022 count
Owner
State
State Highway Agency

About this bridge

Lomond Drive over Flat Run is a concrete culvert carrying Lomond Drive over Flat Run in Prince William County, Virginia. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,003 vehicles a day, projected to reach 26,284 by 2045. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLomond Drive
CrossesFlat Run
Location00.07FR1555/00.06TO1501
RouteCounty Highway 1540
Coordinates38.78439, -77.48174
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,003 (2022)
Projected traffic26,284 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lomond Drive over Flat Run built?

It was built in 2023, making it 2 years old in 2025.

What condition is Lomond Drive over Flat 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 October 2023.

How much traffic does Lomond Drive over Flat Run carry?

About 18,003 vehicles per day (2022 count).

How long is Lomond Drive over Flat Run?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Lomond Drive over Flat Run?

It is owned by the State Highway Agency.