US Bridges

SR3448 over I485

Fair

Mecklenburg County, North Carolina · 0.7 Mi. N. Jct. SR3440 · Structure no. 000000001190681

Built
1996
29 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
2 main spans
Daily traffic
9,700
2016 count
Owner
State
State Highway Agency

About this bridge

SR3448 over I485 is a steel continuous stringer/multi-beam or girder carrying SR3448 over I485 in Mecklenburg County, North Carolina. It was built in 1996, so it is 29 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 9,700 vehicles a day, roughly 7% of them trucks, projected to reach 19,400 by 2040. The structure is 236 ft (71.9 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR3448
CrossesI485
Location0.7 Mi. N. Jct. SR3440
RouteState Highway 3448
Coordinates35.09472, -80.72309
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating99 US tons
Inventory rating74 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span119 ft (36.2 m)
Deck width36 ft (10.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2016)
Projected traffic19,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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 SR3448 over I485 built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR3448 over I485 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 March 2023.

How much traffic does SR3448 over I485 carry?

About 9,700 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR3448 over I485?

The structure is 236 ft (71.9 m) long with a longest span of 119 ft (36.2 m) and a deck 36 ft wide.

Who owns SR3448 over I485?

It is owned by the State Highway Agency.