US Bridges

SR1614 over Knob Creek

Fair

Cleveland County, North Carolina · 0.1 Mi. N. Jct. SR1606 · Structure no. 000000000450308

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
75 ft
2 main spans
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1614 over Knob Creek is a concrete tee beam carrying SR1614 over Knob Creek in Cleveland County, North Carolina. It was built in 1940, so it is 85 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2040. The structure is 75 ft (22.8 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1614
CrossesKnob Creek
Location0.1 Mi. N. Jct. SR1606
RouteState Highway 1614
Coordinates35.49283, -81.54017
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.8 m)
Longest span36 ft (10.9 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic3,600 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1614 over Knob Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR1614 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 December 2024.

How much traffic does SR1614 over Knob Creek carry?

About 1,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1614 over Knob Creek?

The structure is 75 ft (22.8 m) long with a longest span of 36 ft (10.9 m) and a deck 30 ft wide.

Who owns SR1614 over Knob Creek?

It is owned by the State Highway Agency.