US Bridges

SR1510 over Elk Creek

Fair

Watauga County, North Carolina · .1 MI.W.JCT.SR1508 · Structure no. 000000001890151

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
150
2000 count
Owner
State
State Highway Agency

About this bridge

SR1510 over Elk Creek is a steel stringer/multi-beam or girder carrying SR1510 over Elk Creek in Watauga County, North Carolina. It was built in 1961, so it is 64 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.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 34 ft (10.3 m) long and 20 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR1510
CrossesElk Creek
Location.1 MI.W.JCT.SR1508
RouteState Highway 1510
Coordinates36.20268, -81.5611
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span33 ft (10 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2000)
Projected traffic300 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SR1510 over Elk Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1510 over Elk 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 October 2023.

How much traffic does SR1510 over Elk Creek carry?

About 150 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1510 over Elk Creek?

The structure is 34 ft (10.3 m) long with a longest span of 33 ft (10 m) and a deck 20 ft wide.

Who owns SR1510 over Elk Creek?

It is owned by the State Highway Agency.