US Bridges

Margaret Wallace over Mcalpine Creek

FairPosted for load

Mecklenburg County, North Carolina · 0.5 Mi.E.Jct.E.Indep.Blvd · Structure no. 000000001190039

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
11,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Margaret Wallace over Mcalpine Creek is a prestressed concrete slab carrying Margaret Wallace over Mcalpine Creek in Mecklenburg County, North Carolina. It was built in 1979, so it is 46 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. Its operating status is: posted for load restriction.

It carries about 11,000 vehicles a day, roughly 7% of them trucks, projected to reach 22,000 by 2040. The structure is 105 ft (32 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMargaret Wallace
CrossesMcalpine Creek
Location0.5 Mi.E.Jct.E.Indep.Blvd
RouteCity Street 0
Coordinates35.16273, -80.73214
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length105 ft (32 m)
Longest span34 ft (10.3 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2022)
Projected traffic22,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Margaret Wallace over Mcalpine Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Margaret Wallace 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 March 2024.

How much traffic does Margaret Wallace over Mcalpine Creek carry?

About 11,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Margaret Wallace over Mcalpine Creek?

The structure is 105 ft (32 m) long with a longest span of 34 ft (10.3 m) and a deck 35 ft wide.

Who owns Margaret Wallace over Mcalpine Creek?

It is owned by the City or Municipal Highway Agency.