US Bridges

SR1141 over Alarka Creek

FairPosted for load

Swain County, North Carolina · .1 MI.N.JCT.SR1140 · Structure no. 000000001730110

Built
1958
67 years old, rebuilt 1988
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
380
2017 count
Owner
State
State Highway Agency

About this bridge

SR1141 over Alarka Creek is a steel stringer/multi-beam or girder carrying SR1141 over Alarka Creek in Swain County, North Carolina. It was built in 1958 and reconstructed in 1988, so it is 67 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 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. Its operating status is: posted for load restriction.

It carries about 380 vehicles a day, roughly 6% of them trucks, projected to reach 760 by 2040. The structure is 41 ft (12.4 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1141
CrossesAlarka Creek
Location.1 MI.N.JCT.SR1140
RouteState Highway 1141
Coordinates35.3588, -83.44197
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.9 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2017)
Projected traffic760 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1141 over Alarka Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1988.

What condition is SR1141 over Alarka 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 September 2023.

How much traffic does SR1141 over Alarka Creek carry?

About 380 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1141 over Alarka Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 18 ft wide.

Who owns SR1141 over Alarka Creek?

It is owned by the State Highway Agency.