US Bridges

SR2309 over West Swan Creek

Fair

Wilkes County, North Carolina · .4 MI.W.JCT.SR2312 · Structure no. 000000001930209

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

SR2309 over West Swan Creek is a steel culvert carrying SR2309 over West Swan Creek in Wilkes County, North Carolina. It was built in 1991, so it is 34 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, roughly 6% of them trucks, projected to reach 1,000 by 2040. The structure is 33 ft (10 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR2309
CrossesWest Swan Creek
Location.4 MI.W.JCT.SR2312
RouteState Highway 2309
Coordinates36.18386, -80.92034
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic1,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR2309 over West Swan Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR2309 over West Swan Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does SR2309 over West Swan Creek carry?

About 500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR2309 over West Swan Creek?

The structure is 33 ft (10 m) long with a longest span of 9 ft (2.7 m).

Who owns SR2309 over West Swan Creek?

It is owned by the State Highway Agency.