US Bridges

SR1570 over Forbush Creek

Fair

Yadkin County, North Carolina · .05 MI.S.JCT.SR1571 · Structure no. 000000001970075

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
960
2016 count
Owner
State
State Highway Agency

About this bridge

SR1570 over Forbush Creek is a prestressed concrete stringer/multi-beam or girder carrying SR1570 over Forbush Creek in Yadkin County, North Carolina. It was built in 1984, so it is 41 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 6 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 960 vehicles a day, roughly 6% of them trucks, projected to reach 1,920 by 2040. The structure is 120 ft (36.5 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1570
CrossesForbush Creek
Location.05 MI.S.JCT.SR1571
RouteState Highway 1570
Coordinates36.12342, -80.50901
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.9 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2016)
Projected traffic1,920 by 2040
Trucks6%
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 SR1570 over Forbush Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR1570 over Forbush 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 May 2023.

How much traffic does SR1570 over Forbush Creek carry?

About 960 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1570 over Forbush Creek?

The structure is 120 ft (36.5 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns SR1570 over Forbush Creek?

It is owned by the State Highway Agency.