US Bridges

SR2312 over Alamance Creek

Good

Alamance County, North Carolina · 0.2 Mi. W. Jct. SR2304 · Structure no. 000000000010106

Built
2006
19 years old
Condition
Good
inspected April 2021
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
2,400
2019 count
Owner
State
State Highway Agency

About this bridge

SR2312 over Alamance Creek is a prestressed concrete slab carrying SR2312 over Alamance Creek in Alamance County, North Carolina. It was built in 2006, so it is 19 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 2,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,800 by 2040. The structure is 120 ft (36.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2312
CrossesAlamance Creek
Location0.2 Mi. W. Jct. SR2304
RouteState Highway 2312
Coordinates36.04684, -79.41523
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span48 ft (14.6 m)
Deck width39 ft (11.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2019)
Projected traffic4,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR2312 over Alamance Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR2312 over Alamance 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 April 2021.

How much traffic does SR2312 over Alamance Creek carry?

About 2,400 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR2312 over Alamance Creek?

The structure is 120 ft (36.5 m) long with a longest span of 48 ft (14.6 m) and a deck 39 ft wide.

Who owns SR2312 over Alamance Creek?

It is owned by the State Highway Agency.