US Bridges

Caldwell Street over I277 & NC16

Poor

Mecklenburg County, North Carolina · 0.6 MI.W.JCT.US74 · Structure no. 000000001190318

Built
1973
52 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
192 ft
4 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

Caldwell Street over I277 & NC16 is a steel stringer/multi-beam or girder carrying Caldwell Street over I277 & NC16 in Mecklenburg County, North Carolina. It was built in 1973, so it is 52 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,300 vehicles a day, roughly 6% of them trucks, projected to reach 8,600 by 2040. The structure is 192 ft (58.5 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCaldwell Street
CrossesI277 & NC16
Location0.6 MI.W.JCT.US74
RouteCity Street 0
Coordinates35.22957, -80.83081
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span63 ft (19.2 m)
Deck width52 ft (16 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic8,600 by 2040
Trucks6%
Lanes on structure3
Traffic directionOne-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 Caldwell Street over I277 & NC16 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Caldwell Street over I277 & NC16 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Caldwell Street over I277 & NC16 carry?

About 4,300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Caldwell Street over I277 & NC16?

The structure is 192 ft (58.5 m) long with a longest span of 63 ft (19.2 m) and a deck 52 ft wide.

Who owns Caldwell Street over I277 & NC16?

It is owned by the State Highway Agency.