US Bridges

SR3121 over Stinking Quarter Creek

Good

Guilford County, North Carolina · 0.6 Mi. N. Jct. SR3118 · Structure no. 000000000810320

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
440
2000 count
Owner
State
State Highway Agency

About this bridge

SR3121 over Stinking Quarter Creek is a prestressed concrete slab carrying SR3121 over Stinking Quarter Creek in Guilford County, North Carolina. It was built in 2008, so it is 17 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 440 vehicles a day, roughly 6% of them trucks, projected to reach 880 by 2040. The structure is 118 ft (35.9 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR3121
CrossesStinking Quarter Creek
Location0.6 Mi. N. Jct. SR3118
RouteState Highway 3121
Coordinates35.97987, -79.5573
Functional classRural 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 inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating89 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length118 ft (35.9 m)
Longest span53 ft (16.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2000)
Projected traffic880 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR3121 over Stinking Quarter Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR3121 over Stinking Quarter 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 December 2024.

How much traffic does SR3121 over Stinking Quarter Creek carry?

About 440 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR3121 over Stinking Quarter Creek?

The structure is 118 ft (35.9 m) long with a longest span of 53 ft (16.1 m) and a deck 30 ft wide.

Who owns SR3121 over Stinking Quarter Creek?

It is owned by the State Highway Agency.