US Bridges

SR1106 over Three Mile Creek

Fair

Avery County, North Carolina · 200 FT.S.JCT.NC194 · Structure no. 000000000110049

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
3,200
2019 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Three Mile Creek is a prestressed concrete slab carrying SR1106 over Three Mile Creek in Avery County, North Carolina. It was built in 2006, so it is 19 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 3,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,400 by 2040. The structure is 52 ft (15.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1106
CrossesThree Mile Creek
Location200 FT.S.JCT.NC194
RouteState Highway 1106
Coordinates35.97337, -81.99792
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2019)
Projected traffic6,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1106 over Three Mile Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR1106 over Three Mile 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 June 2023.

How much traffic does SR1106 over Three Mile Creek carry?

About 3,200 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1106 over Three Mile Creek?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns SR1106 over Three Mile Creek?

It is owned by the State Highway Agency.