US Bridges

SR1607 over US321

Fair

Gaston County, North Carolina · 0.3MI.E.JCT.BUS.321 · Structure no. 000000000710344

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
4 main spans
Daily traffic
4,100
2018 count
Owner
State
State Highway Agency

About this bridge

SR1607 over US321 is a steel stringer/multi-beam or girder carrying SR1607 over US321 in Gaston County, North Carolina. It was built in 1987, so it is 38 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 4,100 vehicles a day, roughly 6% of them trucks, projected to reach 8,200 by 2040. The structure is 241 ft (73.4 m) long and 47 ft wide.

CarriesSR1607
CrossesUS321
Location0.3MI.E.JCT.BUS.321
RouteState Highway 1607
Coordinates35.37821, -81.20258
Functional classRural Minor Collector

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length241 ft (73.4 m)
Longest span86 ft (26.2 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2018)
Projected traffic8,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 SR1607 over US321 built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR1607 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 July 2024.

How much traffic does SR1607 over US321 carry?

About 4,100 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1607 over US321?

The structure is 241 ft (73.4 m) long with a longest span of 86 ft (26.2 m) and a deck 47 ft wide.

Who owns SR1607 over US321?

It is owned by the State Highway Agency.