US Bridges

SR1618 over Southern RR

Good

Burke County, North Carolina · .05 MI.N.JCT.US70 · Structure no. 000000000230313

Built
2016
9 years old
Condition
Good
inspected December 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
2,000
2019 count
Owner
State
State Highway Agency

About this bridge

SR1618 over Southern RR is a prestressed concrete stringer/multi-beam or girder carrying SR1618 over Southern RR in Burke County, North Carolina. It was built in 2016, so it is 9 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 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 4,000 by 2040. The structure is 136 ft (41.4 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1618
CrossesSouthern RR
Location.05 MI.N.JCT.US70
RouteState Highway 1618
Coordinates35.72685, -81.47036
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating60 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length136 ft (41.4 m)
Longest span67 ft (20.4 m)
Deck width40 ft (12.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2019)
Projected traffic4,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1618 over Southern RR built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR1618 over Southern RR 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 December 2021.

How much traffic does SR1618 over Southern RR carry?

About 2,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1618 over Southern RR?

The structure is 136 ft (41.4 m) long with a longest span of 67 ft (20.4 m) and a deck 40 ft wide.

Who owns SR1618 over Southern RR?

It is owned by the State Highway Agency.