US Bridges

Cotton Hill Road over Back Creek

Good

Roanoke County, Virginia · 0.00-RT221; 0.45-RT888 · Structure no. 000000000026081

Built
2013
12 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
89 ft
2 main spans
Daily traffic
5,325
2022 count
Owner
State
State Highway Agency

About this bridge

Cotton Hill Road over Back Creek is a steel continuous stringer/multi-beam or girder carrying Cotton Hill Road over Back Creek in Roanoke County, Virginia. It was built in 2013, so it is 12 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,325 vehicles a day, projected to reach 5,937 by 2042. The structure is 89 ft (27.2 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCotton Hill Road
CrossesBack Creek
Location0.00-RT221; 0.45-RT888
RouteCounty Highway 688
Coordinates37.20075, -80.03369
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating77.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length89 ft (27.2 m)
Longest span45 ft (13.6 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,325 (2022)
Projected traffic5,937 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cotton Hill Road over Back Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Cotton Hill Road over Back Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Cotton Hill Road over Back Creek carry?

About 5,325 vehicles per day (2022 count).

How long is Cotton Hill Road over Back Creek?

The structure is 89 ft (27.2 m) long with a longest span of 45 ft (13.6 m) and a deck 45 ft wide.

Who owns Cotton Hill Road over Back Creek?

It is owned by the State Highway Agency.