US Bridges

Patterson Rd. over Dawson Branch

Fair

Buchanan County, Virginia · 3.5 to R640 & 1.5 to R638 · Structure no. 000000000003905

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
454
2015 count
Owner
State
State Highway Agency

About this bridge

Patterson Rd. over Dawson Branch is a concrete slab carrying Patterson Rd. over Dawson Branch in Buchanan County, Virginia. It was built in 1982, so it is 43 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 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 454 vehicles a day, projected to reach 522 by 2042. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPatterson Rd.
CrossesDawson Branch
Location3.5 to R640 & 1.5 to R638
RouteCounty Highway 641
Coordinates37.26745, -81.97436
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating77.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2015)
Projected traffic522 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Patterson Rd. over Dawson Branch built?

It was built in 1982, making it 43 years old in 2025.

What condition is Patterson Rd. over Dawson Branch 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 Patterson Rd. over Dawson Branch carry?

About 454 vehicles per day (2015 count).

How long is Patterson Rd. over Dawson Branch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Patterson Rd. over Dawson Branch?

It is owned by the State Highway Agency.