US Bridges

Anchor Mill Pl. over Trib. of Rocky Branch

Good

Prince William County, Virginia · 0.10FR EST/0.10TO End · Structure no. 000000000028520

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
115
2013 count
Owner
State
State Highway Agency

About this bridge

Anchor Mill Pl. over Trib. of Rocky Branch is a concrete culvert carrying Anchor Mill Pl. over Trib. of Rocky Branch in Prince William County, Virginia. It was built in 2006, so it is 19 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 115 vehicles a day, projected to reach 133 by 2042. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesAnchor Mill Pl.
CrossesTrib. of Rocky Branch
Location0.10FR EST/0.10TO End
RouteCounty Highway 3616
CountyPrince William County
StateVirginia
Coordinates38.77039, -77.60694
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2013)
Projected traffic133 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Anchor Mill Pl. over Trib. of Rocky Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Anchor Mill Pl. over Trib. of Rocky Branch 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 December 2023.

How much traffic does Anchor Mill Pl. over Trib. of Rocky Branch carry?

About 115 vehicles per day (2013 count).

How long is Anchor Mill Pl. over Trib. of Rocky Branch?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).

Who owns Anchor Mill Pl. over Trib. of Rocky Branch?

It is owned by the State Highway Agency.