US Bridges

Trimbles Mill Road over Middle River

Fair

Augusta County, Virginia · 0.28 Rt 806 - 0.52 Rt 713 · Structure no. 000000000023952

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
116
2016 count
Owner
State
State Highway Agency

About this bridge

Trimbles Mill Road over Middle River is a concrete culvert carrying Trimbles Mill Road over Middle River in Augusta County, Virginia. It was built in 1994, so it is 31 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 5 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 116 vehicles a day, projected to reach 183 by 2042. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTrimbles Mill Road
CrossesMiddle River
Location0.28 Rt 806 - 0.52 Rt 713
RouteCounty Highway 707
Coordinates38.13215, -79.21775
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.5 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 traffic116 (2016)
Projected traffic183 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 Trimbles Mill Road over Middle River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Trimbles Mill Road 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 July 2024.

How much traffic does Trimbles Mill Road over Middle River carry?

About 116 vehicles per day (2016 count).

How long is Trimbles Mill Road over Middle River?

The structure is 31 ft (9.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Trimbles Mill Road over Middle River?

It is owned by the State Highway Agency.