US Bridges

SR1607 over Sulphur Branch

PoorPosted for load

Gaston County, North Carolina · 0.2 Mi. E. Jct. SR1610 · Structure no. 000000000710145

Built
1968
57 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
3 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1607 over Sulphur Branch is a steel stringer/multi-beam or girder carrying SR1607 over Sulphur Branch 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2040. The structure is 61 ft (18.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1607
CrossesSulphur Branch
Location0.2 Mi. E. Jct. SR1610
RouteState Highway 1607
Coordinates35.38783, -81.23428
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.9 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length61 ft (18.5 m)
Longest span20 ft (6 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic3,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1607 over Sulphur Branch built?

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

What condition is SR1607 over Sulphur Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does SR1607 over Sulphur Branch carry?

About 1,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1607 over Sulphur Branch?

The structure is 61 ft (18.5 m) long with a longest span of 20 ft (6 m) and a deck 25 ft wide.

Who owns SR1607 over Sulphur Branch?

It is owned by the State Highway Agency.