US Bridges

Nbl Rte. I-77 over RT58&221/CARROLLTON Pike

Fair

Carroll County, Virginia · 15.02-NC Line; 9.27-WYTHE · Structure no. 000000000004585

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Frame
Steel Continuous
Length
219 ft
3 main spans
Daily traffic
22,023
2022 count
Owner
State
State Highway Agency

About this bridge

Nbl Rte. I-77 over RT58&221/CARROLLTON Pike is a steel continuous frame carrying Nbl Rte. I-77 over RT58&221/CARROLLTON Pike 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 22,023 vehicles a day, roughly 1% of them trucks, projected to reach 25,187 by 2042. The structure is 219 ft (66.6 m) long and 43 ft wide.

CarriesNbl Rte. I-77
CrossesRT58&221/CARROLLTON Pike
Location15.02-NC Line; 9.27-WYTHE
RouteInterstate 77
Coordinates36.74559, -80.77186
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating68 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length219 ft (66.6 m)
Longest span115 ft (35.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,023 (2022)
Projected traffic25,187 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Rte. I-77 over RT58&221/CARROLLTON Pike built?

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

What condition is Nbl Rte. I-77 over RT58&221/CARROLLTON Pike 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 November 2023.

How much traffic does Nbl Rte. I-77 over RT58&221/CARROLLTON Pike carry?

About 22,023 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nbl Rte. I-77 over RT58&221/CARROLLTON Pike?

The structure is 219 ft (66.6 m) long with a longest span of 115 ft (35.1 m) and a deck 43 ft wide.

Who owns Nbl Rte. I-77 over RT58&221/CARROLLTON Pike?

It is owned by the State Highway Agency.