US Bridges

US70E over Waterway

Fair

Johnston County, North Carolina · 0.7MI.E.JCT.SR1560 · Structure no. 000000001010601

Built
2008
17 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
430 ft
4 main spans
Daily traffic
16,250
2021 count
Owner
State
State Highway Agency

About this bridge

US70E over Waterway is a prestressed concrete continuous stringer/multi-beam or girder carrying US70E over Waterway in Johnston County, North Carolina. It was built in 2008, so it is 17 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 16,250 vehicles a day, roughly 12% of them trucks, projected to reach 32,500 by 2040. The structure is 430 ft (131 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS70E
CrossesWaterway
Location0.7MI.E.JCT.SR1560
RouteU.S. Route 70
Coordinates35.60659, -78.45049
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length430 ft (131 m)
Longest span126 ft (38.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,250 (2021)
Projected traffic32,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US70E over Waterway built?

It was built in 2008, making it 17 years old in 2025.

What condition is US70E over Waterway 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 May 2024.

How much traffic does US70E over Waterway carry?

About 16,250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US70E over Waterway?

The structure is 430 ft (131 m) long with a longest span of 126 ft (38.4 m) and a deck 42 ft wide.

Who owns US70E over Waterway?

It is owned by the State Highway Agency.