US Bridges

SR1185 over Yadkin River

Poor

Wilkes County, North Carolina · .1 Mi.E.Jct US421B · Structure no. 000000001930730

Built
1952
73 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
694 ft
7 main spans
Daily traffic
5,500
2017 count
Owner
State
State Highway Agency

About this bridge

SR1185 over Yadkin River is a steel continuous stringer/multi-beam or girder carrying SR1185 over Yadkin River in Wilkes County, North Carolina. It was built in 1952, so it is 73 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,500 vehicles a day, roughly 7% of them trucks, projected to reach 11,000 by 2040. The structure is 694 ft (211.5 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1185
CrossesYadkin River
Location.1 Mi.E.Jct US421B
RouteState Highway 1185
Coordinates36.14906, -81.17746
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+7 approach)
Design loadHS 20
Structure length694 ft (211.5 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2017)
Projected traffic11,000 by 2040
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1185 over Yadkin River built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR1185 over Yadkin River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does SR1185 over Yadkin River carry?

About 5,500 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR1185 over Yadkin River?

The structure is 694 ft (211.5 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns SR1185 over Yadkin River?

It is owned by the State Highway Agency.