US Bridges

Mitchell Mill Road over Big Seneca Creek

Fair

Campbell County, Virginia · 1.00-RT 699/1.60-RT 701 · Structure no. 000000000004313

Built
1967
58 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
2 main spans
Daily traffic
106
2019 count
Owner
State
State Highway Agency

About this bridge

Mitchell Mill Road over Big Seneca Creek is a steel stringer/multi-beam or girder carrying Mitchell Mill Road over Big Seneca Creek in Campbell County, Virginia. It was built in 1967, so it is 58 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 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 106 vehicles a day, projected to reach 122 by 2042. The structure is 82 ft (25 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMitchell Mill Road
CrossesBig Seneca Creek
Location1.00-RT 699/1.60-RT 701
RouteCounty Highway 697
Coordinates37.15688, -79.1205
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length82 ft (25 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2019)
Projected traffic122 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Mitchell Mill Road over Big Seneca Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mitchell Mill Road over Big Seneca Creek 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 December 2023.

How much traffic does Mitchell Mill Road over Big Seneca Creek carry?

About 106 vehicles per day (2019 count).

How long is Mitchell Mill Road over Big Seneca Creek?

The structure is 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Mitchell Mill Road over Big Seneca Creek?

It is owned by the State Highway Agency.