US Bridges

Bonsack RD./RTE603 over Cooks Creek

FairPosted for load

Roanoke County, Virginia · 0.00-RTE606; 0.10-RTE631 · Structure no. 000000000014974

Built
1921
104 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
606
2019 count
Owner
State
State Highway Agency

About this bridge

Bonsack RD./RTE603 over Cooks Creek is a concrete continuous slab carrying Bonsack RD./RTE603 over Cooks Creek in Roanoke County, Virginia. It was built in 1921, so it is 104 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 606 vehicles a day, projected to reach 685 by 2045. The structure is 44 ft (13.4 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBonsack RD./RTE603
CrossesCooks Creek
Location0.00-RTE606; 0.10-RTE631
RouteCounty Highway 603
CountyRoanoke County
StateVirginia
Coordinates37.32183, -79.87067
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic606 (2019)
Projected traffic685 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$121.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bonsack RD./RTE603 over Cooks Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is Bonsack RD./RTE603 over Cooks 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 August 2023.

How much traffic does Bonsack RD./RTE603 over Cooks Creek carry?

About 606 vehicles per day (2019 count).

How long is Bonsack RD./RTE603 over Cooks Creek?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 52 ft wide.

Who owns Bonsack RD./RTE603 over Cooks Creek?

It is owned by the State Highway Agency.