US Bridges

SR1102 over I77

Fair

Iredell County, North Carolina · 0.1 Mi. W. Jct. SR1104 · Structure no. 000000000970028

Built
2009
16 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
2 main spans
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

SR1102 over I77 is a steel continuous stringer/multi-beam or girder carrying SR1102 over I77 in Iredell County, North Carolina. It was built in 2009, so it is 16 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 6,700 vehicles a day, roughly 7% of them trucks, projected to reach 13,400 by 2040. The structure is 301 ft (91.7 m) long and 91 ft wide.

CarriesSR1102
CrossesI77
Location0.1 Mi. W. Jct. SR1104
RouteState Highway 1102
Coordinates35.53067, -80.86219
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating89.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length301 ft (91.7 m)
Longest span147 ft (44.8 m)
Deck width91 ft (27.6 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2019)
Projected traffic13,400 by 2040
Trucks7%
Lanes on structure5
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 SR1102 over I77 built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR1102 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 January 2024.

How much traffic does SR1102 over I77 carry?

About 6,700 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1102 over I77?

The structure is 301 ft (91.7 m) long with a longest span of 147 ft (44.8 m) and a deck 91 ft wide.

Who owns SR1102 over I77?

It is owned by the State Highway Agency.