US Bridges

North Mountain RD over Middle River

Fair

Augusta County, Virginia · 1.67 to 706 - 0.25 to 707 · Structure no. 000000000024937

Built
1997
28 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
42
2019 count
Owner
State
State Highway Agency

About this bridge

North Mountain RD over Middle River is a concrete culvert carrying North Mountain RD over Middle River in Augusta County, Virginia. It was built in 1997, so it is 28 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 42 vehicles a day, projected to reach 47 by 2045. The structure is 31 ft (9.3 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNorth Mountain RD
CrossesMiddle River
Location1.67 to 706 - 0.25 to 707
RouteCounty Highway 705
CountyAugusta County
StateVirginia
Coordinates38.14183, -79.21851
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2019)
Projected traffic47 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 North Mountain RD over Middle River built?

It was built in 1997, making it 28 years old in 2025.

What condition is North Mountain RD over Middle River 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 June 2023.

How much traffic does North Mountain RD over Middle River carry?

About 42 vehicles per day (2019 count).

How long is North Mountain RD over Middle River?

The structure is 31 ft (9.3 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns North Mountain RD over Middle River?

It is owned by the State Highway Agency.