US Bridges

Cox Mill Road over Wolftrap Branch

Good

Orange County, Virginia · 3.53 from 690&1.71 to 639 · Structure no. 000000000030754

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
2 main spans
Daily traffic
339
2022 count
Owner
State
State Highway Agency

About this bridge

Cox Mill Road over Wolftrap Branch is a aluminum, wrought iron, or cast iron culvert carrying Cox Mill Road over Wolftrap Branch in Orange County, Virginia. It was built in 2016, so it is 9 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 339 vehicles a day, projected to reach 493 by 2042. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCox Mill Road
CrossesWolftrap Branch
Location3.53 from 690&1.71 to 639
RouteCounty Highway 643
Coordinates38.16072, -78.11894
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.5 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic339 (2022)
Projected traffic493 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Cox Mill Road over Wolftrap Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Cox Mill Road over Wolftrap 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 July 2024.

How much traffic does Cox Mill Road over Wolftrap Branch carry?

About 339 vehicles per day (2022 count).

How long is Cox Mill Road over Wolftrap Branch?

The structure is 25 ft (7.5 m) long with a longest span of 10 ft (3.1 m).

Who owns Cox Mill Road over Wolftrap Branch?

It is owned by the State Highway Agency.