US Bridges

SR1508 over Elk Creek

PoorPosted for load

Watauga County, North Carolina · 0.5 MI.S.JCT.SR1583 · Structure no. 000000001890204

Built
1974
51 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
2 main spans
Daily traffic
370
2017 count
Owner
State
State Highway Agency

About this bridge

SR1508 over Elk Creek is a steel stringer/multi-beam or girder carrying SR1508 over Elk Creek in Watauga County, North Carolina. It was built in 1974, so it is 51 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 370 vehicles a day, roughly 6% of them trucks, projected to reach 740 by 2040. The structure is 81 ft (24.6 m) long and 24 ft wide. If it were closed, the detour would be 41.6 mi (67 km).

CarriesSR1508
CrossesElk Creek
Location0.5 MI.S.JCT.SR1583
RouteState Highway 1508
Coordinates36.19629, -81.53558
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span39 ft (11.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2017)
Projected traffic740 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41.6 mi (67 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 SR1508 over Elk Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR1508 over Elk 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 October 2023.

How much traffic does SR1508 over Elk Creek carry?

About 370 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1508 over Elk Creek?

The structure is 81 ft (24.6 m) long with a longest span of 39 ft (11.8 m) and a deck 24 ft wide.

Who owns SR1508 over Elk Creek?

It is owned by the State Highway Agency.