US Bridges

SR2931 over South Fork Muddy Creek

Fair

Forsyth County, North Carolina · 0.5 Mi. N. Jct. SR2982 · Structure no. 000000000670130

Built
1979
46 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
3 main spans
Daily traffic
1,200
2019 count
Owner
State
State Highway Agency

About this bridge

SR2931 over South Fork Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying SR2931 over South Fork Muddy Creek in Forsyth County, North Carolina. It was built in 1979, so it is 46 years old, older 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 1,200 vehicles a day, roughly 7% of them trucks, projected to reach 2,400 by 2040. The structure is 145 ft (44.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR2931
CrossesSouth Fork Muddy Creek
Location0.5 Mi. N. Jct. SR2982
RouteState Highway 2931
Coordinates36.01961, -80.24721
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating89.9 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length145 ft (44.1 m)
Longest span54 ft (16.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic2,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR2931 over South Fork Muddy Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR2931 over South Fork Muddy 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 November 2023.

How much traffic does SR2931 over South Fork Muddy Creek carry?

About 1,200 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR2931 over South Fork Muddy Creek?

The structure is 145 ft (44.1 m) long with a longest span of 54 ft (16.4 m) and a deck 31 ft wide.

Who owns SR2931 over South Fork Muddy Creek?

It is owned by the State Highway Agency.