US Bridges

SR2821 over South Buffalo Creek

Good

Guilford County, North Carolina · 1.3 Mi. E. Jct. SR2770 · Structure no. 000000000810161

Built
2017
8 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
2,300
1993 count
Owner
State
State Highway Agency

About this bridge

SR2821 over South Buffalo Creek is a prestressed concrete box beam or girders - multiple carrying SR2821 over South Buffalo Creek in Guilford County, North Carolina. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 4,600 by 2040. The structure is 105 ft (32 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2821
CrossesSouth Buffalo Creek
Location1.3 Mi. E. Jct. SR2770
RouteState Highway 2821
Coordinates36.1128, -79.67161
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: 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 rating68.9 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length105 ft (32 m)
Longest span101 ft (30.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (1993)
Projected traffic4,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2821 over South Buffalo Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR2821 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 February 2025.

How much traffic does SR2821 over South Buffalo Creek carry?

About 2,300 vehicles per day (1993 count), of which roughly 7% are trucks.

How long is SR2821 over South Buffalo Creek?

The structure is 105 ft (32 m) long with a longest span of 101 ft (30.7 m) and a deck 33 ft wide.

Who owns SR2821 over South Buffalo Creek?

It is owned by the State Highway Agency.