US Bridges

Cox Mill Road over Mountain Run

Fair

Orange County, Virginia · .78 from 639 &4.78 to 690 · Structure no. 000000000013014

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
339
2022 count
Owner
State
State Highway Agency

About this bridge

Cox Mill Road over Mountain Run is a concrete culvert carrying Cox Mill Road over Mountain Run in Orange County, Virginia. It was built in 1980, so it is 45 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 339 vehicles a day, projected to reach 493 by 2045. The structure is 36 ft (11 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCox Mill Road
CrossesMountain Run
Location.78 from 639 &4.78 to 690
RouteCounty Highway 643
CountyOrange County
StateVirginia
Coordinates38.16076, -78.10149
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span12 ft (3.7 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 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Mountain Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is Cox Mill Road over Mountain Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Cox Mill Road over Mountain Run carry?

About 339 vehicles per day (2022 count).

How long is Cox Mill Road over Mountain Run?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m).

Who owns Cox Mill Road over Mountain Run?

It is owned by the State Highway Agency.