US Bridges

Gretna Road over Rt 29 Bypass

Fair

Pittsylvania County, Virginia · 0.20-RT 935/0.17-RT 640 · Structure no. 000000000013484

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
5 main spans
Daily traffic
6,854
2022 count
Owner
State
State Highway Agency

About this bridge

Gretna Road over Rt 29 Bypass is a steel stringer/multi-beam or girder carrying Gretna Road over Rt 29 Bypass in Pittsylvania County, Virginia. It was built in 1974, so it is 51 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 6,854 vehicles a day, roughly 2% of them trucks, projected to reach 8,966 by 2042. The structure is 325 ft (99.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGretna Road
CrossesRt 29 Bypass
Location0.20-RT 935/0.17-RT 640
RouteState Highway 40
Coordinates36.95395, -79.37953
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length325 ft (99.2 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,854 (2022)
Projected traffic8,966 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gretna Road over Rt 29 Bypass built?

It was built in 1974, making it 51 years old in 2025.

What condition is Gretna Road over Rt 29 Bypass 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 June 2024.

How much traffic does Gretna Road over Rt 29 Bypass carry?

About 6,854 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Gretna Road over Rt 29 Bypass?

The structure is 325 ft (99.2 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns Gretna Road over Rt 29 Bypass?

It is owned by the State Highway Agency.