US Bridges

SR1166 over Elk Creek

Fair

Wilkes County, North Carolina · 1.4 MI.N.JCT.SR1162 · Structure no. 000000001930623

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
520
2022 count
Owner
State
State Highway Agency

About this bridge

SR1166 over Elk Creek is a prestressed concrete slab carrying SR1166 over Elk Creek in Wilkes County, North Carolina. It was built in 1996, so it is 29 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 520 vehicles a day, roughly 6% of them trucks, projected to reach 1,040 by 2040. The structure is 152 ft (46.3 m) long and 27 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesSR1166
CrossesElk Creek
Location1.4 MI.N.JCT.SR1162
RouteState Highway 1166
Coordinates36.13748, -81.49953
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 rating81.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2022)
Projected traffic1,040 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 SR1166 over Elk Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR1166 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 September 2024.

How much traffic does SR1166 over Elk Creek carry?

About 520 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1166 over Elk Creek?

The structure is 152 ft (46.3 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns SR1166 over Elk Creek?

It is owned by the State Highway Agency.