US Bridges

SR1307 over Alarka Creek

PoorPosted for load

Swain County, North Carolina · 25 FT.N.JCT.SR1309 · Structure no. 000000001730058

Built
1959
66 years old, rebuilt 1989
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
60
2000 count
Owner
State
State Highway Agency

About this bridge

SR1307 over Alarka Creek is a steel stringer/multi-beam or girder carrying SR1307 over Alarka Creek in Swain County, North Carolina. It was built in 1959 and reconstructed in 1989, so it is 66 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 120 by 2040. The structure is 73 ft (22.2 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1307
CrossesAlarka Creek
Location25 FT.N.JCT.SR1309
RouteState Highway 1307
Coordinates35.38813, -83.4977
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length73 ft (22.2 m)
Longest span40 ft (12.1 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2000)
Projected traffic120 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1307 over Alarka Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.

What condition is SR1307 over Alarka Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does SR1307 over Alarka Creek carry?

About 60 vehicles per day (2000 count).

How long is SR1307 over Alarka Creek?

The structure is 73 ft (22.2 m) long with a longest span of 40 ft (12.1 m) and a deck 18 ft wide.

Who owns SR1307 over Alarka Creek?

It is owned by the State Highway Agency.