US Bridges

Trimbles Mill RD over Middle River

Fair

Augusta County, Virginia · 0.02 Rt 806 - 0.18 Rt 705 · Structure no. 000000000002182

Built
1935
90 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
116
2016 count
Owner
State
State Highway Agency

About this bridge

Trimbles Mill RD over Middle River is a concrete slab carrying Trimbles Mill RD over Middle River in Augusta County, Virginia. It was built in 1935, so it is 90 years old, older 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 25 ft (7.6 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTrimbles Mill RD
CrossesMiddle River
Location0.02 Rt 806 - 0.18 Rt 705
RouteCounty Highway 707
CountyAugusta County
StateVirginia
Coordinates38.13626, -79.21815
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2016)
Projected traffic183 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$11 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Trimbles Mill RD over Middle River built?

It was built in 1935, making it 90 years old in 2025.

What condition is Trimbles Mill 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 April 2024.

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

About 116 vehicles per day (2016 count).

How long is Trimbles Mill RD over Middle River?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns Trimbles Mill RD over Middle River?

It is owned by the State Highway Agency.