US Bridges

US 115 over Tunnel RD

Fair

Iredell County, North Carolina · 0.2 Ml N. JCT US 3 · Structure no. 000000000970683

Built
2021
4 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
73 ft
2 main spans
Daily traffic
2,600
2021 count
Owner
State
State Highway Agency

About this bridge

US 115 over Tunnel RD is a steel culvert carrying US 115 over Tunnel RD in Iredell County, North Carolina. It was built in 2021, so it is 4 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 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 2,600 vehicles a day, roughly 6% of them trucks, projected to reach 5,200 by 2040. The structure is 73 ft (22.2 m) long.

CarriesUS 115
CrossesTunnel RD
Location0.2 Ml N. JCT US 3
RouteU.S. Route 115
Coordinates35.58745, -80.80881
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: 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 spans2
Design loadHS 20 + Mod
Structure length73 ft (22.2 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2021)
Projected traffic5,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 115 over Tunnel RD built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 115 over Tunnel RD 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 February 2024.

How much traffic does US 115 over Tunnel RD carry?

About 2,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 115 over Tunnel RD?

The structure is 73 ft (22.2 m) long with a longest span of 18 ft (5.4 m).

Who owns US 115 over Tunnel RD?

It is owned by the State Highway Agency.