US Bridges

Spotswood Furnace over Laroque Run

Good

Spotsylvania County, Virginia · 1.0M RT618 - 0.9M RT616 · Structure no. 000000000030070

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
35 ft
1 main span
Daily traffic
639
2020 count
Owner
State
State Highway Agency

About this bridge

Spotswood Furnace over Laroque Run is a concrete box beam or girders - multiple carrying Spotswood Furnace over Laroque Run in Spotsylvania 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 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 639 vehicles a day, projected to reach 719 by 2042. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSpotswood Furnace
CrossesLaroque Run
Location1.0M RT618 - 0.9M RT616
RouteCounty Highway 620
Coordinates38.3329, -77.61253
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating51.4 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic639 (2020)
Projected traffic719 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spotswood Furnace over Laroque Run built?

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

What condition is Spotswood Furnace over Laroque 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 September 2024.

How much traffic does Spotswood Furnace over Laroque Run carry?

About 639 vehicles per day (2020 count).

How long is Spotswood Furnace over Laroque Run?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.

Who owns Spotswood Furnace over Laroque Run?

It is owned by the State Highway Agency.