US Bridges

SR1421 over Alex. RR NSRR Wise St.

Good

Iredell County, North Carolina · 0.05 Mi. S. Jct. SR1420 · Structure no. 000000000970513

Built
2011
14 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
380 ft
5 main spans
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR1421 over Alex. RR NSRR Wise St. is a steel continuous stringer/multi-beam or girder carrying SR1421 over Alex. RR NSRR Wise St. in Iredell County, North Carolina. It was built in 2011, so it is 14 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 3,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,400 by 2040. The structure is 380 ft (115.8 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1421
CrossesAlex. RR NSRR Wise St.
Location0.05 Mi. S. Jct. SR1420
RouteState Highway 1421
CountyIredell County
StateNorth Carolina
Coordinates35.77435, -80.89055
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length380 ft (115.8 m)
Longest span87 ft (26.5 m)
Deck width48 ft (14.5 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic6,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1421 over Alex. RR NSRR Wise St. built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR1421 over Alex. RR NSRR Wise St. 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 2024.

How much traffic does SR1421 over Alex. RR NSRR Wise St. carry?

About 3,200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1421 over Alex. RR NSRR Wise St.?

The structure is 380 ft (115.8 m) long with a longest span of 87 ft (26.5 m) and a deck 48 ft wide.

Who owns SR1421 over Alex. RR NSRR Wise St.?

It is owned by the State Highway Agency.