US Bridges

SR1635 over Little Knob Creek

Fair

Cleveland County, North Carolina · 0.5 Mi. W. Jct. SR1637 · Structure no. 000000000450167

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

SR1635 over Little Knob Creek is a prestressed concrete slab carrying SR1635 over Little Knob Creek in Cleveland County, North Carolina. It was built in 1970, so it is 55 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 121 ft (36.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR1635
CrossesLittle Knob Creek
Location0.5 Mi. W. Jct. SR1637
RouteState Highway 1635
CountyCleveland County
StateNorth Carolina
Coordinates35.48283, -81.57641
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54.9 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length121 ft (36.8 m)
Longest span39 ft (11.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1635 over Little Knob Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR1635 over Little 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 SR1635 over Little Knob Creek carry?

About 350 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1635 over Little Knob Creek?

The structure is 121 ft (36.8 m) long with a longest span of 39 ft (11.8 m) and a deck 25 ft wide.

Who owns SR1635 over Little Knob Creek?

It is owned by the State Highway Agency.