US Bridges

US70 over SR1728

Good

Wake County, North Carolina · 0.2 Mi. W. Jct. SR1511 · Structure no. 000000001830540

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
22,500
2021 count
Owner
State
State Highway Agency

About this bridge

US70 over SR1728 is a steel stringer/multi-beam or girder carrying US70 over SR1728 in Wake County, North Carolina. It was built in 2004, so it is 21 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,500 vehicles a day, roughly 12% of them trucks, projected to reach 45,000 by 2040. The structure is 91 ft (27.7 m) long and 70 ft wide.

CarriesUS70
CrossesSR1728
Location0.2 Mi. W. Jct. SR1511
RouteU.S. Route 70
Coordinates35.79788, -78.64631
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span88 ft (26.8 m)
Deck width70 ft (21.4 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2021)
Projected traffic45,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US70 over SR1728 built?

It was built in 2004, making it 21 years old in 2025.

What condition is US70 over SR1728 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does US70 over SR1728 carry?

About 22,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US70 over SR1728?

The structure is 91 ft (27.7 m) long with a longest span of 88 ft (26.8 m) and a deck 70 ft wide.

Who owns US70 over SR1728?

It is owned by the State Highway Agency.