US Bridges

Sawmill Lane / 813 over Dan River

Fair

Patrick County, Virginia · 0.20-RTE773; 0.65-DEADEND · Structure no. 000000000013410

Built
1970
55 years old, rebuilt 2022
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
72 ft
2 main spans
Daily traffic
38
2014 count
Owner
State
State Highway Agency

About this bridge

Sawmill Lane / 813 over Dan River is a concrete slab carrying Sawmill Lane / 813 over Dan River in Patrick County, Virginia. It was built in 1970 and reconstructed in 2022, so it is 55 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 38 vehicles a day, projected to reach 41 by 2042. The structure is 72 ft (21.8 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSawmill Lane / 813
CrossesDan River
Location0.20-RTE773; 0.65-DEADEND
RouteCounty Highway 813
Coordinates36.60352, -80.45236
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans2
Design loadHL 93
Structure length72 ft (21.8 m)
Longest span36 ft (10.9 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2014)
Projected traffic41 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$229 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sawmill Lane / 813 over Dan River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2022.

What condition is Sawmill Lane / 813 over 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 May 2024.

How much traffic does Sawmill Lane / 813 over Dan River carry?

About 38 vehicles per day (2014 count).

How long is Sawmill Lane / 813 over Dan River?

The structure is 72 ft (21.8 m) long with a longest span of 36 ft (10.9 m) and a deck 18 ft wide.

Who owns Sawmill Lane / 813 over Dan River?

It is owned by the State Highway Agency.