US Bridges

SR1552 over Knob Creek

FairPosted for load

Cleveland County, North Carolina · 0.1 Mi. N. Jct. SR1556 · Structure no. 000000000450393

Built
1952
73 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
250
2022 count
Owner
State
State Highway Agency

About this bridge

SR1552 over Knob Creek is a steel stringer/multi-beam or girder carrying SR1552 over Knob Creek in Cleveland County, North Carolina. It was built in 1952, so it is 73 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1552
CrossesKnob Creek
Location0.1 Mi. N. Jct. SR1556
RouteState Highway 1552
Coordinates35.53677, -81.54211
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.
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 inspectionNovember 2024
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 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.8 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1552 over Knob Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR1552 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 November 2024.

How much traffic does SR1552 over Knob Creek carry?

About 250 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1552 over Knob Creek?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.8 m) and a deck 18 ft wide.

Who owns SR1552 over Knob Creek?

It is owned by the State Highway Agency.