US Bridges

I40 Bus Ebl over Salem Lake

Fair

Forsyth County, North Carolina · 0.5 Mi. E. Jct. US158 · Structure no. 000000000670360

Built
2006
19 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
393 ft
4 main spans
Daily traffic
19,750
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Bus Ebl over Salem Lake is a prestressed concrete stringer/multi-beam or girder carrying I40 Bus Ebl over Salem Lake in Forsyth County, North Carolina. It was built in 2006, so it is 19 years old, younger 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 19,750 vehicles a day, roughly 12% of them trucks, projected to reach 39,500 by 2040. The structure is 393 ft (119.7 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 Bus Ebl
CrossesSalem Lake
Location0.5 Mi. E. Jct. US158
RouteInterstate 40
Coordinates36.10505, -80.18583
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating54.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length393 ft (119.7 m)
Longest span95 ft (28.9 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2020)
Projected traffic39,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 I40 Bus Ebl over Salem Lake built?

It was built in 2006, making it 19 years old in 2025.

What condition is I40 Bus Ebl 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 May 2024.

How much traffic does I40 Bus Ebl over Salem Lake carry?

About 19,750 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I40 Bus Ebl over Salem Lake?

The structure is 393 ft (119.7 m) long with a longest span of 95 ft (28.9 m) and a deck 58 ft wide.

Who owns I40 Bus Ebl over Salem Lake?

It is owned by the State Highway Agency.