US Bridges

SR2231 14th Street over US321

Fair

Catawba County, North Carolina · 0.1 Mi. W Jct. SR1196 · Structure no. 000000000350133

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
2 main spans
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR2231 14th Street over US321 is a steel stringer/multi-beam or girder carrying SR2231 14th Street over US321 in Catawba County, North Carolina. It was built in 1955, so it is 70 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 3,200 vehicles a day, roughly 12% of them trucks, projected to reach 6,400 by 2040. The structure is 98 ft (29.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2231 14th Street
CrossesUS321
Location0.1 Mi. W Jct. SR1196
RouteState Highway 2231
Coordinates35.72893, -81.36321
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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length98 ft (29.8 m)
Longest span54 ft (16.4 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic6,400 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 SR2231 14th Street over US321 built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR2231 14th Street over US321 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 December 2024.

How much traffic does SR2231 14th Street over US321 carry?

About 3,200 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR2231 14th Street over US321?

The structure is 98 ft (29.8 m) long with a longest span of 54 ft (16.4 m) and a deck 40 ft wide.

Who owns SR2231 14th Street over US321?

It is owned by the State Highway Agency.