US Bridges

Linville Rd. over Salem Lake

Fair

Forsyth County, North Carolina · 0.55 MI.S.JCT.BUS.I40 · Structure no. 000000000670089

Built
1972
53 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
7,900
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Linville Rd. over Salem Lake is a concrete continuous culvert carrying Linville Rd. over Salem Lake in Forsyth County, North Carolina. It was built in 1972, so it is 53 years old, older than the North Carolina average of 38.7 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 7,900 vehicles a day, roughly 7% of them trucks, projected to reach 15,800 by 2040. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLinville Rd.
CrossesSalem Lake
Location0.55 MI.S.JCT.BUS.I40
RouteCity Street 0
CountyForsyth County
StateNorth Carolina
Coordinates36.10646, -80.15869
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2019)
Projected traffic15,800 by 2040
Trucks7%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Linville Rd. over Salem Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is Linville Rd. over Salem Lake 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 January 2025.

How much traffic does Linville Rd. over Salem Lake carry?

About 7,900 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Linville Rd. over Salem Lake?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m).

Who owns Linville Rd. over Salem Lake?

It is owned by the City or Municipal Highway Agency.