US Bridges

SR1575 over The Slough

PoorPosted for load

Wayne County, North Carolina · 1.0 MI N JCT SR1556 · Structure no. 000000001910025

Built
1971
54 years old
Condition
Poor
inspected April 2023
Type
Channel Beam
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
1,100
2015 count
Owner
State
State Highway Agency

About this bridge

SR1575 over The Slough is a prestressed concrete channel beam carrying SR1575 over The Slough in Wayne County, North Carolina. It was built in 1971, so it is 54 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 2,200 by 2040. The structure is 90 ft (27.4 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

No coordinates are recorded for this structure.

CarriesSR1575
CrossesThe Slough
Location1.0 MI N JCT SR1556
RouteState Highway 1575
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating14 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic2,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1575 over The Slough built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR1575 over The Slough 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 April 2023.

How much traffic does SR1575 over The Slough carry?

About 1,100 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1575 over The Slough?

The structure is 90 ft (27.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns SR1575 over The Slough?

It is owned by the State Highway Agency.