US Bridges

SR1144 over US321

Fair

Catawba County, North Carolina · 0.1 Mi. E. Jct. SR1008 · Structure no. 000000000350320

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
194 ft
2 main spans
Daily traffic
3,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1144 over US321 is a steel stringer/multi-beam or girder carrying SR1144 over US321 in Catawba County, North Carolina. It was built in 1996, so it is 29 years old, younger 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 3,800 vehicles a day, roughly 7% of them trucks, projected to reach 7,600 by 2040. The structure is 194 ft (59.1 m) long and 54 ft wide.

CarriesSR1144
CrossesUS321
Location0.1 Mi. E. Jct. SR1008
RouteState Highway 1144
Coordinates35.67978, -81.34011
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length194 ft (59.1 m)
Longest span97 ft (29.5 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2021)
Projected traffic7,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1144 over US321 built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR1144 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 January 2025.

How much traffic does SR1144 over US321 carry?

About 3,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1144 over US321?

The structure is 194 ft (59.1 m) long with a longest span of 97 ft (29.5 m) and a deck 54 ft wide.

Who owns SR1144 over US321?

It is owned by the State Highway Agency.