US Bridges

SR1717 over Mulberry Creek

Good

Wilkes County, North Carolina · .2 MI.N.JCT.SR1782 · Structure no. 000000001930170

Built
1980
45 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
2,700
2019 count
Owner
State
State Highway Agency

About this bridge

SR1717 over Mulberry Creek is a prestressed concrete stringer/multi-beam or girder carrying SR1717 over Mulberry Creek in Wilkes County, North Carolina. It was built in 1980, so it is 45 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 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 2,700 vehicles a day, roughly 6% of them trucks, projected to reach 5,400 by 2040. The structure is 181 ft (55.1 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1717
CrossesMulberry Creek
Location.2 MI.N.JCT.SR1782
RouteState Highway 1717
Coordinates36.24697, -81.16856
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.9 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length181 ft (55.1 m)
Longest span58 ft (17.6 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2019)
Projected traffic5,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SR1717 over Mulberry Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1717 over Mulberry Creek 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 April 2021.

How much traffic does SR1717 over Mulberry Creek carry?

About 2,700 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1717 over Mulberry Creek?

The structure is 181 ft (55.1 m) long with a longest span of 58 ft (17.6 m) and a deck 31 ft wide.

Who owns SR1717 over Mulberry Creek?

It is owned by the State Highway Agency.