US Bridges

Flat Ridge Rd. over Cress Creek

Fair

Smyth County, Virginia · .15 to R676W & .16 to R16 · Structure no. 000000000017526

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
45 ft
2 main spans
Daily traffic
1,127
2022 count
Owner
State
State Highway Agency

About this bridge

Flat Ridge Rd. over Cress Creek is a concrete slab carrying Flat Ridge Rd. over Cress Creek in Smyth County, Virginia. It was built in 1969, so it is 56 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 1,127 vehicles a day, projected to reach 1,257 by 2042. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFlat Ridge Rd.
CrossesCress Creek
Location.15 to R676W & .16 to R16
RouteCounty Highway 601
CountySmyth County
StateVirginia
Coordinates36.77416, -81.41074
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,127 (2022)
Projected traffic1,257 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$39 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Ridge Rd. over Cress Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Flat Ridge Rd. over Cress 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 May 2024.

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

About 1,127 vehicles per day (2022 count).

How long is Flat Ridge Rd. over Cress Creek?

The structure is 45 ft (13.7 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns Flat Ridge Rd. over Cress Creek?

It is owned by the State Highway Agency.