US Bridges

SR1315 over Walnut Creek

FairPosted for load

Polk County, North Carolina · .9 MI.E.JCT.SR1311 · Structure no. 000000001490036

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
3 main spans
Daily traffic
360
2016 count
Owner
State
State Highway Agency

About this bridge

SR1315 over Walnut Creek is a steel stringer/multi-beam or girder carrying SR1315 over Walnut Creek in Polk County, North Carolina. It was built in 1964, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 360 vehicles a day, roughly 6% of them trucks, projected to reach 720 by 2040. The structure is 81 ft (24.6 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR1315
CrossesWalnut Creek
Location.9 MI.E.JCT.SR1311
RouteState Highway 1315
Coordinates35.35414, -82.10322
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionJuly 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 alignment7: Better than present minimum criteria
Operating rating23.9 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2016)
Projected traffic720 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1315 over Walnut Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR1315 over Walnut 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 July 2023.

How much traffic does SR1315 over Walnut Creek carry?

About 360 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1315 over Walnut Creek?

The structure is 81 ft (24.6 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns SR1315 over Walnut Creek?

It is owned by the State Highway Agency.