US Bridges

CARVINSCOVERD/740 over Mason Creek

Fair

Roanoke County, Virginia · 0.01-RT311;0.08-RT872 · Structure no. 000000000015096

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
975
2019 count
Owner
State
State Highway Agency

About this bridge

CARVINSCOVERD/740 over Mason Creek is a steel stringer/multi-beam or girder carrying CARVINSCOVERD/740 over Mason Creek in Roanoke County, Virginia. It was built in 1975, so it is 50 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 975 vehicles a day, projected to reach 1,102 by 2042. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCARVINSCOVERD/740
CrossesMason Creek
Location0.01-RT311;0.08-RT872
RouteCounty Highway 740
CountyRoanoke County
StateVirginia
Coordinates37.35266, -80.0467
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span82 ft (25 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic975 (2019)
Projected traffic1,102 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CARVINSCOVERD/740 over Mason Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CARVINSCOVERD/740 over Mason 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 2024.

How much traffic does CARVINSCOVERD/740 over Mason Creek carry?

About 975 vehicles per day (2019 count).

How long is CARVINSCOVERD/740 over Mason Creek?

The structure is 82 ft (25 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns CARVINSCOVERD/740 over Mason Creek?

It is owned by the State Highway Agency.