US Bridges

SR1166 over Ellison Creek

Good

Forsyth County, North Carolina · 1.8 Mi. W. Jct. SR1100 · Structure no. 000000000670094

Built
1989
36 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,200
2019 count
Owner
State
State Highway Agency

About this bridge

SR1166 over Ellison Creek is a concrete continuous culvert carrying SR1166 over Ellison Creek in Forsyth County, North Carolina. It was built in 1989, so it is 36 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 7% of them trucks, projected to reach 2,400 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1166
CrossesEllison Creek
Location1.8 Mi. W. Jct. SR1100
RouteState Highway 1166
Coordinates36.05194, -80.44693
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic2,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ellison Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR1166 over Ellison Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does SR1166 over Ellison Creek carry?

About 1,200 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1166 over Ellison Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1166 over Ellison Creek?

It is owned by the State Highway Agency.