US Bridges

SR2643 over I40 Bus

Good

Forsyth County, North Carolina · 0.8 Mi. N. Jct. NC66 · Structure no. 000000000670368

Built
2012
13 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
10,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR2643 over I40 Bus is a prestressed concrete continuous stringer/multi-beam or girder carrying SR2643 over I40 Bus in Forsyth County, North Carolina. It was built in 2012, so it is 13 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 7% of them trucks, projected to reach 21,000 by 2040. The structure is 203 ft (61.8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2643
CrossesI40 Bus
Location0.8 Mi. N. Jct. NC66
RouteState Highway 2643
Coordinates36.11038, -80.07798
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length203 ft (61.8 m)
Longest span98 ft (29.8 m)
Deck width50 ft (15.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2022)
Projected traffic21,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2643 over I40 Bus built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR2643 over I40 Bus in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does SR2643 over I40 Bus carry?

About 10,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR2643 over I40 Bus?

The structure is 203 ft (61.8 m) long with a longest span of 98 ft (29.8 m) and a deck 50 ft wide.

Who owns SR2643 over I40 Bus?

It is owned by the State Highway Agency.