US Bridges

Mills School RD665 over Br. of Little Dan River

Fair

Patrick County, Virginia · 0.20-RT 664;0.90-RT 650 · Structure no. 000000000013329

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
20
2014 count
Owner
State
State Highway Agency

About this bridge

Mills School RD665 over Br. of Little Dan River is a prestressed concrete slab carrying Mills School RD665 over Br. of Little Dan River in Patrick County, Virginia. It was built in 1966, so it is 59 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 20 vehicles a day, projected to reach 23 by 2045. The structure is 26 ft (7.8 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMills School RD665
CrossesBr. of Little Dan River
Location0.20-RT 664;0.90-RT 650
RouteCounty Highway 665
Coordinates36.55833, -80.40314
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating81 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length26 ft (7.8 m)
Longest span26 ft (7.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2014)
Projected traffic23 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mills School RD665 over Br. of Little Dan River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Mills School RD665 over Br. of Little Dan 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 August 2023.

How much traffic does Mills School RD665 over Br. of Little Dan River carry?

About 20 vehicles per day (2014 count).

How long is Mills School RD665 over Br. of Little Dan River?

The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m) and a deck 20 ft wide.

Who owns Mills School RD665 over Br. of Little Dan River?

It is owned by the State Highway Agency.