US Bridges

Old Church Road over Slate Run

Good

Prince William County, Virginia · 00.30FR709/00.40TO648 · Structure no. 000000000024232

Built
1995
30 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
60 ft
1 main span
Daily traffic
1,315
2016 count
Owner
State
State Highway Agency

About this bridge

Old Church Road over Slate Run is a concrete continuous stringer/multi-beam or girder carrying Old Church Road over Slate Run in Prince William County, Virginia. It was built in 1995, so it is 30 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 1,315 vehicles a day, projected to reach 2,078 by 2045. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOld Church Road
CrossesSlate Run
Location00.30FR709/00.40TO648
RouteCounty Highway 649
CountyPrince William County
StateVirginia
Coordinates38.67722, -77.50952
Functional classRural Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94.1 US tons
Inventory rating72.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,315 (2016)
Projected traffic2,078 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$175 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Church Road over Slate Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is Old Church Road over Slate 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 June 2023.

How much traffic does Old Church Road over Slate Run carry?

About 1,315 vehicles per day (2016 count).

How long is Old Church Road over Slate Run?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Old Church Road over Slate Run?

It is owned by the State Highway Agency.