US Bridges

SR1341 over Knob Creek

Fair

Rutherford County, North Carolina · .02 MI.S.JCT.SR1345 · Structure no. 000000001610259

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Prestressed Concrete
Length
76 ft
3 main spans
Daily traffic
400
2019 count
Owner
State
State Highway Agency

About this bridge

SR1341 over Knob Creek is a prestressed concrete channel beam carrying SR1341 over Knob Creek in Rutherford County, North Carolina. It was built in 1972, so it is 53 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 6 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 400 vehicles a day, roughly 6% of them trucks, projected to reach 800 by 2040. The structure is 76 ft (23.1 m) long and 25 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1341
CrossesKnob Creek
Location.02 MI.S.JCT.SR1345
RouteState Highway 1341
Coordinates35.43804, -82.07841
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating34.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length76 ft (23.1 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2019)
Projected traffic800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1341 over Knob Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR1341 over Knob 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 March 2023.

How much traffic does SR1341 over Knob Creek carry?

About 400 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1341 over Knob Creek?

The structure is 76 ft (23.1 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns SR1341 over Knob Creek?

It is owned by the State Highway Agency.