US Bridges

US601 over Crooked Creek

Fair

Union County, North Carolina · 0.6 Mi. S. Jct. NC218 · Structure no. 000000001790049

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
11,500
2018 count
Owner
State
State Highway Agency

About this bridge

US601 over Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying US601 over Crooked Creek in Union County, North Carolina. It was built in 1966, so it is 59 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 11,500 vehicles a day, roughly 8% of them trucks, projected to reach 23,000 by 2040. The structure is 121 ft (36.8 m) long and 38 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS601
CrossesCrooked Creek
Location0.6 Mi. S. Jct. NC218
RouteU.S. Route 601
Coordinates35.1289, -80.53689
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating95.9 US tons
Inventory rating54.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length121 ft (36.8 m)
Longest span39 ft (11.8 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2018)
Projected traffic23,000 by 2040
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US601 over Crooked Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is US601 over Crooked 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 US601 over Crooked Creek carry?

About 11,500 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is US601 over Crooked Creek?

The structure is 121 ft (36.8 m) long with a longest span of 39 ft (11.8 m) and a deck 38 ft wide.

Who owns US601 over Crooked Creek?

It is owned by the State Highway Agency.