US Bridges

SR1403 over South Yadkin River

FairPosted for load

Alexander County, North Carolina · 0.3 Mi. N. Jct. SR1431 · Structure no. 000000000030033

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
160 ft
4 main spans
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

SR1403 over South Yadkin River is a concrete tee beam carrying SR1403 over South Yadkin River in Alexander County, North Carolina. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 160 ft (48.7 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1403
CrossesSouth Yadkin River
Location0.3 Mi. N. Jct. SR1431
RouteState Highway 1403
CountyAlexander County
StateNorth Carolina
Coordinates36.00175, -81.11006
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length160 ft (48.7 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic600 by 2040
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1403 over South Yadkin River built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR1403 over South Yadkin River 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 October 2024.

How much traffic does SR1403 over South Yadkin River carry?

About 300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1403 over South Yadkin River?

The structure is 160 ft (48.7 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns SR1403 over South Yadkin River?

It is owned by the State Highway Agency.