US Bridges

SR2999 over Southern Railroad

Good

Forsyth County, North Carolina · 100 Ft. S. Jct. SR3000 · Structure no. 000000000670109

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
3 main spans
Daily traffic
12,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR2999 over Southern Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR2999 over Southern Railroad in Forsyth County, North Carolina. It was built in 2018, so it is 7 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 12,000 vehicles a day, roughly 7% of them trucks, projected to reach 24,000 by 2040. The structure is 208 ft (63.3 m) long and 70 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR2999
CrossesSouthern Railroad
Location100 Ft. S. Jct. SR3000
RouteState Highway 2999
Coordinates36.00366, -80.37175
Functional classUrban Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length208 ft (63.3 m)
Longest span89 ft (27.1 m)
Deck width70 ft (21.2 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2021)
Projected traffic24,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 SR2999 over Southern Railroad built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR2999 over Southern Railroad 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 September 2024.

How much traffic does SR2999 over Southern Railroad carry?

About 12,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR2999 over Southern Railroad?

The structure is 208 ft (63.3 m) long with a longest span of 89 ft (27.1 m) and a deck 70 ft wide.

Who owns SR2999 over Southern Railroad?

It is owned by the State Highway Agency.