US Bridges

US311 over Sycamore Creek

Good

Randolph County, North Carolina · 0.2 Mi. S. JCT.SR1930 · Structure no. 000000001510097

Built
2015
10 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
4,300
2019 count
Owner
State
State Highway Agency

About this bridge

US311 over Sycamore Creek is a concrete culvert carrying US311 over Sycamore Creek in Randolph County, North Carolina. It was built in 2015, so it is 10 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 4,300 vehicles a day, roughly 8% of them trucks, projected to reach 8,600 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS311
CrossesSycamore Creek
Location0.2 Mi. S. JCT.SR1930
RouteU.S. Route 311
Coordinates35.86071, -79.89539
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2019)
Projected traffic8,600 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 US311 over Sycamore Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is US311 over Sycamore 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 US311 over Sycamore Creek carry?

About 4,300 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is US311 over Sycamore Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.3 m).

Who owns US311 over Sycamore Creek?

It is owned by the State Highway Agency.