US Bridges

Flat Ridge Rd. over Cressy Creek

Fair

Smyth County, Virginia · 0.2 FR 676E;2.5TO Gray.Co · Structure no. 000000000017530

Built
1932
93 years old, rebuilt 2011
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
261
2022 count
Owner
State
State Highway Agency

About this bridge

Flat Ridge Rd. over Cressy Creek is a prestressed concrete box beam or girders - multiple carrying Flat Ridge Rd. over Cressy Creek in Smyth County, Virginia. It was built in 1932 and reconstructed in 2011, so it is 93 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 261 vehicles a day, roughly 1% of them trucks, projected to reach 291 by 2045. The structure is 48 ft (14.6 m) long and 25 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFlat Ridge Rd.
CrossesCressy Creek
Location0.2 FR 676E;2.5TO Gray.Co
RouteCounty Highway 601
Coordinates36.76849, -81.39761
Functional classRural Minor Collector

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.
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 inspectionAugust 2023
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 rating99 US tons
Inventory rating72 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic261 (2022)
Projected traffic291 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$45.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Ridge Rd. over Cressy Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2011.

What condition is Flat Ridge Rd. over Cressy 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 August 2023.

How much traffic does Flat Ridge Rd. over Cressy Creek carry?

About 261 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Flat Ridge Rd. over Cressy Creek?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns Flat Ridge Rd. over Cressy Creek?

It is owned by the State Highway Agency.