US Bridges

I40 & I85 Bus. over South Buffalo Creek

Fair

Guilford County, North Carolina · 0.6 MI E JCT US29 · Structure no. 000000000810357

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
32,250
2020 count
Owner
State
State Highway Agency

About this bridge

I40 & I85 Bus. over South Buffalo Creek is a prestressed concrete stringer/multi-beam or girder carrying I40 & I85 Bus. over South Buffalo Creek in Guilford County, North Carolina. It was built in 1995, so it is 30 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 32,250 vehicles a day, roughly 16% of them trucks, projected to reach 64,500 by 2040. The structure is 200 ft (60.9 m) long and 117 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 & I85 Bus.
CrossesSouth Buffalo Creek
Location0.6 MI E JCT US29
RouteInterstate 40
Coordinates36.04662, -79.7579
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating91.9 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length200 ft (60.9 m)
Longest span48 ft (14.6 m)
Deck width117 ft (35.8 m)
Roadway width111 ft (33.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,250 (2020)
Projected traffic64,500 by 2040
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 & I85 Bus. over South Buffalo Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is I40 & I85 Bus. over South Buffalo Creek 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 I40 & I85 Bus. over South Buffalo Creek carry?

About 32,250 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 & I85 Bus. over South Buffalo Creek?

The structure is 200 ft (60.9 m) long with a longest span of 48 ft (14.6 m) and a deck 117 ft wide.

Who owns I40 & I85 Bus. over South Buffalo Creek?

It is owned by the State Highway Agency.