US Bridges

SR2129 over Buffalo Creek

Good

Johnston County, North Carolina · 0.3 Mi. North of SR1934 · Structure no. 000000001010239

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
465
2015 count
Owner
State
State Highway Agency

About this bridge

SR2129 over Buffalo Creek is a prestressed concrete slab carrying SR2129 over Buffalo Creek in Johnston 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 465 vehicles a day, roughly 6% of them trucks, projected to reach 930 by 2040. The structure is 158 ft (48.1 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR2129
CrossesBuffalo Creek
Location0.3 Mi. North of SR1934
RouteState Highway 2129
Coordinates35.59082, -78.22718
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length158 ft (48.1 m)
Longest span54 ft (16.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2015)
Projected traffic930 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2129 over Buffalo Creek built?

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

What condition is SR2129 over Buffalo Creek 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 July 2024.

How much traffic does SR2129 over Buffalo Creek carry?

About 465 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR2129 over Buffalo Creek?

The structure is 158 ft (48.1 m) long with a longest span of 54 ft (16.4 m) and a deck 30 ft wide.

Who owns SR2129 over Buffalo Creek?

It is owned by the State Highway Agency.