US Bridges

Coon Ridge Rd. 705 over RTE I-77 Nbl

Fair

Carroll County, Virginia · 0.22-RT 743; 0.11-RT 744 · Structure no. 000000000004717

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
767
2022 count
Owner
State
State Highway Agency

About this bridge

Coon Ridge Rd. 705 over RTE I-77 Nbl is a concrete continuous frame carrying Coon Ridge Rd. 705 over RTE I-77 Nbl in Carroll County, Virginia. It was built in 1977, so it is 48 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 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 767 vehicles a day, projected to reach 855 by 2042. The structure is 198 ft (60.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCoon Ridge Rd. 705
CrossesRTE I-77 Nbl
Location0.22-RT 743; 0.11-RT 744
RouteCounty Highway 705
CountyCarroll County
StateVirginia
Coordinates36.76926, -80.80453
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating33 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length198 ft (60.4 m)
Longest span87 ft (26.5 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic767 (2022)
Projected traffic855 by 2042
Trucks0%
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 Coon Ridge Rd. 705 over RTE I-77 Nbl built?

It was built in 1977, making it 48 years old in 2025.

What condition is Coon Ridge Rd. 705 over RTE I-77 Nbl 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 Coon Ridge Rd. 705 over RTE I-77 Nbl carry?

About 767 vehicles per day (2022 count).

How long is Coon Ridge Rd. 705 over RTE I-77 Nbl?

The structure is 198 ft (60.4 m) long with a longest span of 87 ft (26.5 m) and a deck 30 ft wide.

Who owns Coon Ridge Rd. 705 over RTE I-77 Nbl?

It is owned by the State Highway Agency.