US Bridges

SR1146 over Cartoogechaye Creek

Fair

Macon County, North Carolina · 0.1 MI.S.JCT.US64 · Structure no. 000000001130342

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
3 main spans
Daily traffic
700
2015 count
Owner
State
State Highway Agency

About this bridge

SR1146 over Cartoogechaye Creek is a steel continuous stringer/multi-beam or girder carrying SR1146 over Cartoogechaye Creek in Macon County, North Carolina. It was built in 1973, so it is 52 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 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,400 by 2040. The structure is 132 ft (40.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1146
CrossesCartoogechaye Creek
Location0.1 MI.S.JCT.US64
RouteState Highway 1146
Coordinates35.15667, -83.45583
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length132 ft (40.2 m)
Longest span52 ft (15.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2015)
Projected traffic1,400 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 SR1146 over Cartoogechaye Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR1146 over Cartoogechaye 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 December 2024.

How much traffic does SR1146 over Cartoogechaye Creek carry?

About 700 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1146 over Cartoogechaye Creek?

The structure is 132 ft (40.2 m) long with a longest span of 52 ft (15.8 m) and a deck 32 ft wide.

Who owns SR1146 over Cartoogechaye Creek?

It is owned by the State Highway Agency.