US Bridges

SR1700 over Neuse River

Poor

Johnston County, North Carolina · 0.2 Mi. N. Jct. SR1708 · Structure no. 000000001010177

Built
1981
44 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
289 ft
4 main spans
Daily traffic
11,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1700 over Neuse River is a prestressed concrete stringer/multi-beam or girder carrying SR1700 over Neuse River in Johnston County, North Carolina. It was built in 1981, so it is 44 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.

It carries about 11,000 vehicles a day, roughly 7% of them trucks, projected to reach 22,000 by 2040. The structure is 289 ft (88 m) long and 37 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesSR1700
CrossesNeuse River
Location0.2 Mi. N. Jct. SR1708
RouteState Highway 1700
CountyJohnston County
StateNorth Carolina
Coordinates35.675, -78.43611
Functional classUrban Collector

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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length289 ft (88 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2021)
Projected traffic22,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1700 over Neuse River built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR1700 over Neuse River 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 October 2023.

How much traffic does SR1700 over Neuse River carry?

About 11,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1700 over Neuse River?

The structure is 289 ft (88 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns SR1700 over Neuse River?

It is owned by the State Highway Agency.