US Bridges

SR3128 over Mcalpine Creek

Fair

Mecklenburg County, North Carolina · 0.12 Mi. W. Jct. SR4216 · Structure no. 000000001190262

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
17,500
2018 count
Owner
State
State Highway Agency

About this bridge

SR3128 over Mcalpine Creek is a concrete continuous culvert carrying SR3128 over Mcalpine Creek in Mecklenburg County, North Carolina. It was built in 1960, so it is 65 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 17,500 vehicles a day, roughly 6% of them trucks, projected to reach 35,000 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR3128
CrossesMcalpine Creek
Location0.12 Mi. W. Jct. SR4216
RouteState Highway 3128
Coordinates35.19263, -80.70519
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2018)
Projected traffic35,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR3128 over Mcalpine Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR3128 over Mcalpine Creek 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 2023.

How much traffic does SR3128 over Mcalpine Creek carry?

About 17,500 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR3128 over Mcalpine Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns SR3128 over Mcalpine Creek?

It is owned by the State Highway Agency.