US Bridges

SR1004 over Knob Creek

Good

Cleveland County, North Carolina · 0.1 Mi. N. Jct. SR1642 · Structure no. 000000000450197

Built
1990
35 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
1,200
2018 count
Owner
State
State Highway Agency

About this bridge

SR1004 over Knob Creek is a prestressed concrete stringer/multi-beam or girder carrying SR1004 over Knob Creek in Cleveland County, North Carolina. It was built in 1990, so it is 35 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 7% of them trucks, projected to reach 2,400 by 2040. The structure is 150 ft (45.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1004
CrossesKnob Creek
Location0.1 Mi. N. Jct. SR1642
RouteState Highway 1004
Coordinates35.43196, -81.56036
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span49 ft (14.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2018)
Projected traffic2,400 by 2040
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1004 over Knob Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR1004 over Knob Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does SR1004 over Knob Creek carry?

About 1,200 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR1004 over Knob Creek?

The structure is 150 ft (45.7 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.

Who owns SR1004 over Knob Creek?

It is owned by the State Highway Agency.