US Bridges

IRR SR1361 over Oconaluftee River

Fair

Swain County, North Carolina · 50 FT.W.JCT.SR1368 · Structure no. 000000001730162

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
3 main spans
Daily traffic
1,900
2016 count
Owner
State
State Highway Agency

About this bridge

IRR SR1361 over Oconaluftee River is a prestressed concrete stringer/multi-beam or girder carrying IRR SR1361 over Oconaluftee River in Swain County, North Carolina. It was built in 1969, so it is 56 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.

It carries about 1,900 vehicles a day, roughly 6% of them trucks, projected to reach 3,800 by 2040. The structure is 187 ft (56.9 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIRR SR1361
CrossesOconaluftee River
Location50 FT.W.JCT.SR1368
RouteState Highway 1361
Coordinates35.48453, -83.31507
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating22.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (56.9 m)
Longest span73 ft (22.2 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2016)
Projected traffic3,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR1361 over Oconaluftee River built?

It was built in 1969, making it 56 years old in 2025.

What condition is IRR SR1361 over Oconaluftee River 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 August 2023.

How much traffic does IRR SR1361 over Oconaluftee River carry?

About 1,900 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is IRR SR1361 over Oconaluftee River?

The structure is 187 ft (56.9 m) long with a longest span of 73 ft (22.2 m) and a deck 52 ft wide.

Who owns IRR SR1361 over Oconaluftee River?

It is owned by the State Highway Agency.