US Bridges

SR1001 over I-77

Fair

Iredell County, North Carolina · 0.1 Mi. E. Jct. SR2369 · Structure no. 000000000970120

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
262 ft
4 main spans
Daily traffic
5,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR1001 over I-77 is a steel stringer/multi-beam or girder carrying SR1001 over I-77 in Iredell County, North Carolina. It was built in 1968, so it is 57 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 5,100 vehicles a day, roughly 7% of them trucks, projected to reach 10,200 by 2040. The structure is 262 ft (79.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1001
CrossesI-77
Location0.1 Mi. E. Jct. SR2369
RouteState Highway 1001
Coordinates35.68853, -80.854
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 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 rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length262 ft (79.8 m)
Longest span72 ft (21.9 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic10,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1001 over I-77 built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR1001 over I-77 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 April 2024.

How much traffic does SR1001 over I-77 carry?

About 5,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1001 over I-77?

The structure is 262 ft (79.8 m) long with a longest span of 72 ft (21.9 m) and a deck 36 ft wide.

Who owns SR1001 over I-77?

It is owned by the State Highway Agency.