US Bridges

NC16 Nbl over Catawba River

Fair

Mecklenburg County, North Carolina · 0.87 Mi. N. Jct. SR2253 · Structure no. 000000001190363

Built
1956
69 years old, rebuilt 1992
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,059 ft
9 main spans
Daily traffic
22,250
2022 count
Owner
State
State Highway Agency

About this bridge

NC16 Nbl over Catawba River is a steel continuous girder and floorbeam system carrying NC16 Nbl over Catawba River in Mecklenburg County, North Carolina. It was built in 1956 and reconstructed in 1992, so it is 69 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 5 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 22,250 vehicles a day, roughly 12% of them trucks, projected to reach 44,500 by 2040. The structure is 1,059 ft (322.7 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC16 Nbl
CrossesCatawba River
Location0.87 Mi. N. Jct. SR2253
RouteState Highway 16
Coordinates35.35044, -80.97246
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9 (+6 approach)
Design loadHS 20 + Mod
Structure length1,059 ft (322.7 m)
Longest span204 ft (62.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,250 (2022)
Projected traffic44,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC16 Nbl over Catawba River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is NC16 Nbl over Catawba River 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 NC16 Nbl over Catawba River carry?

About 22,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC16 Nbl over Catawba River?

The structure is 1,059 ft (322.7 m) long with a longest span of 204 ft (62.1 m) and a deck 30 ft wide.

Who owns NC16 Nbl over Catawba River?

It is owned by the State Highway Agency.