US Bridges

SR1890 over I77

Fair

Iredell County, North Carolina · 0.2 Mi. E. Jct. SR1979 · Structure no. 000000000970197

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
3 main spans
Daily traffic
5,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR1890 over I77 is a steel continuous stringer/multi-beam or girder carrying SR1890 over I77 in Iredell County, North Carolina. It was built in 1973, so it is 52 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 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 5,200 vehicles a day, roughly 6% of them trucks, projected to reach 10,400 by 2040. The structure is 342 ft (104.2 m) long and 46 ft wide.

CarriesSR1890
CrossesI77
Location0.2 Mi. E. Jct. SR1979
RouteState Highway 1890
Coordinates35.91743, -80.85451
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 15
Structure length342 ft (104.2 m)
Longest span89 ft (27.1 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2021)
Projected traffic10,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1890 over I77 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR1890 over I77 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 June 2024.

How much traffic does SR1890 over I77 carry?

About 5,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1890 over I77?

The structure is 342 ft (104.2 m) long with a longest span of 89 ft (27.1 m) and a deck 46 ft wide.

Who owns SR1890 over I77?

It is owned by the State Highway Agency.