US Bridges

SR1148 over I485

Good

Mecklenburg County, North Carolina · 0.6 Mi. S. Jct. NC160 · Structure no. 000000001190824

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
2 main spans
Daily traffic
13,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1148 over I485 is a steel continuous stringer/multi-beam or girder carrying SR1148 over I485 in Mecklenburg County, North Carolina. It was built in 2006, so it is 19 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,000 vehicles a day, roughly 12% of them trucks, projected to reach 26,000 by 2040. The structure is 236 ft (71.9 m) long and 54 ft wide.

CarriesSR1148
CrossesI485
Location0.6 Mi. S. Jct. NC160
RouteState Highway 1148
Coordinates35.19095, -80.96873
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span118 ft (35.9 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic13,000 (2022)
Projected traffic26,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 SR1148 over I485 built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR1148 over I485 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does SR1148 over I485 carry?

About 13,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR1148 over I485?

The structure is 236 ft (71.9 m) long with a longest span of 118 ft (35.9 m) and a deck 54 ft wide.

Who owns SR1148 over I485?

It is owned by the State Highway Agency.