US Bridges

SR1548 over Linville River

Fair

Avery County, North Carolina · .14 MI.S.JCT.NC105 · Structure no. 000000000110184

Built
2005
20 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
200
2015 count
Owner
State
State Highway Agency

About this bridge

SR1548 over Linville River is a prestressed concrete slab carrying SR1548 over Linville River in Avery County, North Carolina. It was built in 2005, so it is 20 years old, younger 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 6 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 62 ft (18.8 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1548
CrossesLinville River
Location.14 MI.S.JCT.NC105
RouteState Highway 1548
Coordinates36.07909, -81.86864
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52.9 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.8 m)
Longest span59 ft (17.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2015)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1548 over Linville River built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR1548 over Linville River 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 March 2023.

How much traffic does SR1548 over Linville River carry?

About 200 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1548 over Linville River?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (17.9 m) and a deck 27 ft wide.

Who owns SR1548 over Linville River?

It is owned by the State Highway Agency.