US Bridges

SR1420 over Back Creek

Good

Randolph County, North Carolina · 0.9 Mi. S. Jct. SR1416 · Structure no. 000000001510047

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
84 ft
2 main spans
Daily traffic
600
2022 count
Owner
State
State Highway Agency

About this bridge

SR1420 over Back Creek is a prestressed concrete slab carrying SR1420 over Back Creek in Randolph County, North Carolina. It was built in 2001, so it is 24 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 600 vehicles a day, roughly 6% of them trucks, projected to reach 1,200 by 2040. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1420
CrossesBack Creek
Location0.9 Mi. S. Jct. SR1416
RouteState Highway 1420
Coordinates35.72548, -79.8858
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length84 ft (25.6 m)
Longest span40 ft (12.1 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic1,200 by 2040
Trucks6%
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 SR1420 over Back Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR1420 over Back 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 SR1420 over Back Creek carry?

About 600 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1420 over Back Creek?

The structure is 84 ft (25.6 m) long with a longest span of 40 ft (12.1 m) and a deck 33 ft wide.

Who owns SR1420 over Back Creek?

It is owned by the State Highway Agency.