US Bridges

SR1166 over Mill Creek

Good

Lincoln County, North Carolina · 0.5 Mi. N. Jct. SR1168 · Structure no. 000000001090236

Built
1985
40 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
33 ft
1 main span
Daily traffic
1,200
2016 count
Owner
State
State Highway Agency

About this bridge

SR1166 over Mill Creek is a steel culvert carrying SR1166 over Mill Creek in Lincoln County, North Carolina. It was built in 1985, so it is 40 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 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 6% of them trucks, projected to reach 2,400 by 2040. The structure is 33 ft (10 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1166
CrossesMill Creek
Location0.5 Mi. N. Jct. SR1168
RouteState Highway 1166
Coordinates35.42475, -81.39015
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating94.9 US tons
Inventory rating73 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span33 ft (10 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2016)
Projected traffic2,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Mill Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1166 over Mill 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 January 2024.

How much traffic does SR1166 over Mill Creek carry?

About 1,200 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1166 over Mill Creek?

The structure is 33 ft (10 m) long with a longest span of 33 ft (10 m).

Who owns SR1166 over Mill Creek?

It is owned by the State Highway Agency.