US Bridges

I40 Bus over Salem Creek

Poor

Forsyth County, North Carolina · 0.3 MI.W.JCT.SR2657 · Structure no. 000000000670365

Built
1953
72 years old, rebuilt 1961
Condition
Poor
inspected May 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
38,500
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Bus over Salem Creek is a concrete continuous culvert carrying I40 Bus over Salem Creek in Forsyth County, North Carolina. It was built in 1953 and reconstructed in 1961, so it is 72 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 38,500 vehicles a day, roughly 12% of them trucks, projected to reach 77,000 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 Bus
CrossesSalem Creek
Location0.3 MI.W.JCT.SR2657
RouteInterstate 40
Coordinates36.11378, -80.14906
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length43 ft (13.1 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 traffic38,500 (2020)
Projected traffic77,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 Bus over Salem Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1961.

What condition is I40 Bus over Salem Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does I40 Bus over Salem Creek carry?

About 38,500 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I40 Bus over Salem Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns I40 Bus over Salem Creek?

It is owned by the State Highway Agency.