US Bridges

SR1491 over South Yadkin River

Fair

Alexander County, North Carolina · 0.4 Mi. E. Jct. SR1492 · Structure no. 000000000030021

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
36 ft
1 main span
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

SR1491 over South Yadkin River is a steel culvert carrying SR1491 over South Yadkin River in Alexander County, North Carolina. It was built in 1972, so it is 53 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,400 by 2040. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1491
CrossesSouth Yadkin River
Location0.4 Mi. E. Jct. SR1492
RouteState Highway 1491
Coordinates35.91933, -81.07066
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span36 ft (10.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,400 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1491 over South Yadkin River built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR1491 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 SR1491 over South Yadkin River carry?

About 700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1491 over South Yadkin River?

The structure is 36 ft (10.9 m) long with a longest span of 36 ft (10.9 m).

Who owns SR1491 over South Yadkin River?

It is owned by the State Highway Agency.