US Bridges

US52 US311 over SR4315

Fair

Forsyth County, North Carolina · 0.6 Mi. N. Jct. I40 · Structure no. 000000000670115

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
872 ft
12 main spans
Daily traffic
63,500
2020 count
Owner
State
State Highway Agency

About this bridge

US52 US311 over SR4315 is a steel stringer/multi-beam or girder carrying US52 US311 over SR4315 in Forsyth County, North Carolina. It was built in 1971, so it is 54 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 5 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 63,500 vehicles a day, roughly 12% of them trucks, projected to reach 127,000 by 2040. The structure is 872 ft (265.7 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS52 US311
CrossesSR4315
Location0.6 Mi. N. Jct. I40
RouteU.S. Route 52
CountyForsyth County
StateNorth Carolina
Coordinates36.07116, -80.22827
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length872 ft (265.7 m)
Longest span127 ft (38.7 m)
Deck width91 ft (27.6 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,500 (2020)
Projected traffic127,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US52 US311 over SR4315 built?

It was built in 1971, making it 54 years old in 2025.

What condition is US52 US311 over SR4315 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 June 2024.

How much traffic does US52 US311 over SR4315 carry?

About 63,500 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US52 US311 over SR4315?

The structure is 872 ft (265.7 m) long with a longest span of 127 ft (38.7 m) and a deck 91 ft wide.

Who owns US52 US311 over SR4315?

It is owned by the State Highway Agency.