US Bridges

SR2643 over I40

Fair

Forsyth County, North Carolina · 1.3 Mi. N. Jct. SR2632 · Structure no. 000000000670458

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
4 main spans
Daily traffic
10,250
2021 count
Owner
State
State Highway Agency

About this bridge

SR2643 over I40 is a prestressed concrete stringer/multi-beam or girder carrying SR2643 over I40 in Forsyth County, North Carolina. It was built in 1992, so it is 33 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 10,250 vehicles a day, roughly 7% of them trucks, projected to reach 20,500 by 2040. The structure is 213 ft (64.9 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2643
CrossesI40
Location1.3 Mi. N. Jct. SR2632
RouteState Highway 2643
Coordinates36.07508, -80.10955
Functional classUrban Collector

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length213 ft (64.9 m)
Longest span65 ft (19.8 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,250 (2021)
Projected traffic20,500 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2643 over I40 built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR2643 over I40 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 July 2024.

How much traffic does SR2643 over I40 carry?

About 10,250 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR2643 over I40?

The structure is 213 ft (64.9 m) long with a longest span of 65 ft (19.8 m) and a deck 51 ft wide.

Who owns SR2643 over I40?

It is owned by the State Highway Agency.