US Bridges

US321 Sbl over Crowders Creek

Fair

Gaston County, North Carolina · 0.1 Mi. S. Jct. SR2416 · Structure no. 000000000710033

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
3 main spans
Daily traffic
5,250
2022 count
Owner
State
State Highway Agency

About this bridge

US321 Sbl over Crowders Creek is a steel stringer/multi-beam or girder carrying US321 Sbl over Crowders Creek in Gaston County, North Carolina. It was built in 1968, so it is 57 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.

It carries about 5,250 vehicles a day, roughly 12% of them trucks, projected to reach 10,500 by 2040. The structure is 210 ft (64 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS321 Sbl
CrossesCrowders Creek
Location0.1 Mi. S. Jct. SR2416
RouteU.S. Route 321
Coordinates35.16933, -81.19564
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span69 ft (21 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2022)
Projected traffic10,500 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US321 Sbl over Crowders Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US321 Sbl over Crowders 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 February 2024.

How much traffic does US321 Sbl over Crowders Creek carry?

About 5,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US321 Sbl over Crowders Creek?

The structure is 210 ft (64 m) long with a longest span of 69 ft (21 m) and a deck 42 ft wide.

Who owns US321 Sbl over Crowders Creek?

It is owned by the State Highway Agency.