US Bridges

SR1703 over Mulberry Creek

PoorPosted for load

Wilkes County, North Carolina · .2 MI.N.JCT.SR1718 · Structure no. 000000001930154

Built
1965
60 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
2 main spans
Daily traffic
340
2016 count
Owner
State
State Highway Agency

About this bridge

SR1703 over Mulberry Creek is a steel stringer/multi-beam or girder carrying SR1703 over Mulberry Creek in Wilkes County, North Carolina. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 340 vehicles a day, roughly 6% of them trucks, projected to reach 680 by 2040. The structure is 101 ft (30.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1703
CrossesMulberry Creek
Location.2 MI.N.JCT.SR1718
RouteState Highway 1703
Coordinates36.23398, -81.15127
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.9 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length101 ft (30.7 m)
Longest span49 ft (14.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2016)
Projected traffic680 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1703 over Mulberry Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR1703 over Mulberry Creek 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 SR1703 over Mulberry Creek carry?

About 340 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1703 over Mulberry Creek?

The structure is 101 ft (30.7 m) long with a longest span of 49 ft (14.9 m) and a deck 25 ft wide.

Who owns SR1703 over Mulberry Creek?

It is owned by the State Highway Agency.