US Bridges

N. Elec. RD./419 over Mason Creek

Fair

Roanoke County, Virginia · 0.06-RTE311; 0.46-I-81 · Structure no. 000000000014972

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
137 ft
3 main spans
Daily traffic
7,765
2022 count
Owner
State
State Highway Agency

About this bridge

N. Elec. RD./419 over Mason Creek is a concrete tee beam carrying N. Elec. RD./419 over Mason Creek in Roanoke County, Virginia. It was built in 1967, so it is 58 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.

It carries about 7,765 vehicles a day, roughly 1% of them trucks, projected to reach 7,819 by 2045. The structure is 137 ft (41.9 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN. Elec. RD./419
CrossesMason Creek
Location0.06-RTE311; 0.46-I-81
RouteState Highway 419
CountyRoanoke County
StateVirginia
Coordinates37.32762, -80.04012
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating49.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.9 m)
Longest span45 ft (13.7 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,765 (2022)
Projected traffic7,819 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$783 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Elec. RD./419 over Mason Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is N. Elec. RD./419 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 September 2023.

How much traffic does N. Elec. RD./419 over Mason Creek carry?

About 7,765 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is N. Elec. RD./419 over Mason Creek?

The structure is 137 ft (41.9 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.

Who owns N. Elec. RD./419 over Mason Creek?

It is owned by the State Highway Agency.