US Bridges

SR1504 over North Fork Crooked Creek

Fair

Union County, North Carolina · 0.3 Mi. S. Jct. SR1520 · Structure no. 000000001790271

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

SR1504 over North Fork Crooked Creek is a prestressed concrete slab carrying SR1504 over North Fork Crooked Creek in Union County, North Carolina. It was built in 1985, so it is 40 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 2,700 vehicles a day, roughly 6% of them trucks, projected to reach 5,400 by 2040. The structure is 107 ft (32.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1504
CrossesNorth Fork Crooked Creek
Location0.3 Mi. S. Jct. SR1520
RouteState Highway 1504
Coordinates35.10272, -80.57301
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic5,400 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 SR1504 over North Fork Crooked Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1504 over North Fork 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 SR1504 over North Fork Crooked Creek carry?

About 2,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1504 over North Fork Crooked Creek?

The structure is 107 ft (32.6 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns SR1504 over North Fork Crooked Creek?

It is owned by the State Highway Agency.