US Bridges

SR1692 over US321

Fair

Catawba County, North Carolina · 0.1 Mi. E. Jct. SR2231 · Structure no. 000000000350142

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
4 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1692 over US321 is a steel stringer/multi-beam or girder carrying SR1692 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 3,800 vehicles a day, roughly 12% of them trucks, projected to reach 7,600 by 2040. The structure is 185 ft (56.3 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesSR1692
CrossesUS321
Location0.1 Mi. E. Jct. SR2231
RouteState Highway 1692
CountyCatawba County
StateNorth Carolina
Coordinates35.72977, -81.36406
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length185 ft (56.3 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic7,600 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1692 over US321 built?

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

What condition is SR1692 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 SR1692 over US321 carry?

About 3,800 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR1692 over US321?

The structure is 185 ft (56.3 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns SR1692 over US321?

It is owned by the State Highway Agency.