US Bridges

Radio Rd. over I-40

Good

Iredell County, North Carolina · 0.1M. S. Jct. SR1931 · Structure no. 000000000970134

Built
2013
12 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
2 main spans
Daily traffic
4,100
2018 count
Owner
State
State Highway Agency

About this bridge

Radio Rd. over I-40 is a prestressed concrete stringer/multi-beam or girder carrying Radio Rd. over I-40 in Iredell County, North Carolina. It was built in 2013, so it is 12 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 4,100 vehicles a day, roughly 7% of them trucks, projected to reach 8,200 by 2040. The structure is 225 ft (68.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRadio Rd.
CrossesI-40
Location0.1M. S. Jct. SR1931
RouteCity Street 0
CountyIredell County
StateNorth Carolina
Coordinates35.80516, -80.89029
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length225 ft (68.5 m)
Longest span112 ft (34.1 m)
Deck width41 ft (12.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2018)
Projected traffic8,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Radio Rd. over I-40 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Radio Rd. over I-40 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 April 2022.

How much traffic does Radio Rd. over I-40 carry?

About 4,100 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Radio Rd. over I-40?

The structure is 225 ft (68.5 m) long with a longest span of 112 ft (34.1 m) and a deck 41 ft wide.

Who owns Radio Rd. over I-40?

It is owned by the State Highway Agency.