US Bridges

SR2166 over I-40

Fair

Iredell County, North Carolina · 0.4 MI.S.JCT.SR2169 · Structure no. 000000000970171

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
439 ft
6 main spans
Daily traffic
1,300
2015 count
Owner
State
State Highway Agency

About this bridge

SR2166 over I-40 is a steel stringer/multi-beam or girder carrying SR2166 over I-40 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 1,300 vehicles a day, roughly 7% of them trucks, projected to reach 2,600 by 2040. The structure is 439 ft (133.8 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR2166
CrossesI-40
Location0.4 MI.S.JCT.SR2169
RouteState Highway 2166
CountyIredell County
StateNorth Carolina
Coordinates35.83054, -80.78773
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
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 inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length439 ft (133.8 m)
Longest span86 ft (26.2 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2015)
Projected traffic2,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2166 over I-40 built?

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

What condition is SR2166 over I-40 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 May 2024.

How much traffic does SR2166 over I-40 carry?

About 1,300 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR2166 over I-40?

The structure is 439 ft (133.8 m) long with a longest span of 86 ft (26.2 m) and a deck 32 ft wide.

Who owns SR2166 over I-40?

It is owned by the State Highway Agency.