US Bridges

Nbl Route 77 over RTE 702-STABLE Road

Fair

Carroll County, Virginia · 12.59-NC Line 2.43-RTE58 · Structure no. 000000000004581

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
18,191
2022 count
Owner
State
State Highway Agency

About this bridge

Nbl Route 77 over RTE 702-STABLE Road is a concrete continuous tee beam carrying Nbl Route 77 over RTE 702-STABLE Road in Carroll County, Virginia. It was built in 1978, so it is 47 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 18,191 vehicles a day, roughly 1% of them trucks, projected to reach 23,514 by 2045. The structure is 147 ft (44.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNbl Route 77
CrossesRTE 702-STABLE Road
Location12.59-NC Line 2.43-RTE58
RouteInterstate 77
Coordinates36.71859, -80.74569
Functional classRural Principal Arterial - Interstate

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating55 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length147 ft (44.7 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,191 (2022)
Projected traffic23,514 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Nbl Route 77 over RTE 702-STABLE Road built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nbl Route 77 over RTE 702-STABLE Road 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 September 2023.

How much traffic does Nbl Route 77 over RTE 702-STABLE Road carry?

About 18,191 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nbl Route 77 over RTE 702-STABLE Road?

The structure is 147 ft (44.7 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Nbl Route 77 over RTE 702-STABLE Road?

It is owned by the State Highway Agency.