US Bridges

SR1147 over Dye Creek

Fair

Iredell County, North Carolina · 0.5 Mi. E. Jct. SR1125 · Structure no. 000000000970041

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

SR1147 over Dye Creek is a prestressed concrete slab carrying SR1147 over Dye Creek in Iredell County, North Carolina. It was built in 2005, so it is 20 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 8,300 vehicles a day, roughly 7% of them trucks, projected to reach 16,600 by 2040. The structure is 80 ft (24.3 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1147
CrossesDye Creek
Location0.5 Mi. E. Jct. SR1125
RouteState Highway 1147
Coordinates35.53745, -80.79458
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length80 ft (24.3 m)
Longest span54 ft (16.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic16,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1147 over Dye Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR1147 over Dye 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 January 2024.

How much traffic does SR1147 over Dye Creek carry?

About 8,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1147 over Dye Creek?

The structure is 80 ft (24.3 m) long with a longest span of 54 ft (16.4 m) and a deck 30 ft wide.

Who owns SR1147 over Dye Creek?

It is owned by the State Highway Agency.