US Bridges

SR1604 over Little Yadkin River

Good

Forsyth County, North Carolina · 0.8 Mi. W. Jct. SR1600 · Structure no. 000000000670015

Built
2014
11 years old
Condition
Good
inspected May 2022
Type
Slab
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
2,200
2017 count
Owner
State
State Highway Agency

About this bridge

SR1604 over Little Yadkin River is a prestressed concrete slab carrying SR1604 over Little Yadkin River in Forsyth County, North Carolina. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 4,400 by 2040. The structure is 178 ft (54.2 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1604
CrossesLittle Yadkin River
Location0.8 Mi. W. Jct. SR1600
RouteState Highway 1604
Coordinates36.25599, -80.44269
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length178 ft (54.2 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2017)
Projected traffic4,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1604 over Little Yadkin River built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR1604 over Little Yadkin River 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 May 2022.

How much traffic does SR1604 over Little Yadkin River carry?

About 2,200 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1604 over Little Yadkin River?

The structure is 178 ft (54.2 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns SR1604 over Little Yadkin River?

It is owned by the State Highway Agency.