US Bridges

US70 over South Buffalo Creek

Good

Guilford County, North Carolina · 0.5 Mi. W. Jct. SR2819 · Structure no. 000000000810993

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
384 ft
3 main spans
Daily traffic
12,000
2021 count
Owner
State
State Highway Agency

About this bridge

US70 over South Buffalo Creek is a steel continuous stringer/multi-beam or girder carrying US70 over South Buffalo Creek in Guilford County, North Carolina. It was built in 2002, so it is 23 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 12,000 vehicles a day, roughly 12% of them trucks, projected to reach 24,000 by 2040. The structure is 384 ft (117 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS70
CrossesSouth Buffalo Creek
Location0.5 Mi. W. Jct. SR2819
RouteU.S. Route 70
Coordinates36.08924, -79.68879
Functional classUrban Other Principal Arterial

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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length384 ft (117 m)
Longest span139 ft (42.3 m)
Deck width63 ft (19.1 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2021)
Projected traffic24,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 US70 over South Buffalo Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is US70 over South Buffalo Creek 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 May 2024.

How much traffic does US70 over South Buffalo Creek carry?

About 12,000 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US70 over South Buffalo Creek?

The structure is 384 ft (117 m) long with a longest span of 139 ft (42.3 m) and a deck 63 ft wide.

Who owns US70 over South Buffalo Creek?

It is owned by the State Highway Agency.