US Bridges

I40 Wbl over SR2158

Fair

Iredell County, North Carolina · 0.2 Mi. E. Jct. US64 · Structure no. 000000000970168

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
206 ft
4 main spans
Daily traffic
20,750
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over SR2158 is a steel stringer/multi-beam or girder carrying I40 Wbl over SR2158 in Iredell County, North Carolina. It was built in 1969, so it is 56 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.

It carries about 20,750 vehicles a day, roughly 16% of them trucks, projected to reach 41,500 by 2040. The structure is 206 ft (62.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI40 Wbl
CrossesSR2158
Location0.2 Mi. E. Jct. US64
RouteInterstate 40
CountyIredell County
StateNorth Carolina
Coordinates35.81489, -80.83149
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length206 ft (62.7 m)
Longest span52 ft (15.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,750 (2020)
Projected traffic41,500 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40 Wbl over SR2158 built?

It was built in 1969, making it 56 years old in 2025.

What condition is I40 Wbl over SR2158 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 August 2024.

How much traffic does I40 Wbl over SR2158 carry?

About 20,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 Wbl over SR2158?

The structure is 206 ft (62.7 m) long with a longest span of 52 ft (15.8 m) and a deck 42 ft wide.

Who owns I40 Wbl over SR2158?

It is owned by the State Highway Agency.