US Bridges

NC45 over Conaby Creek

Fair

Washington County, North Carolina · 0.1 MI S. of JCT SR1114 · Structure no. 000000001870005

Built
1994
31 years old
Condition
Fair
inspected February 2025
Type
Slab
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
1,800
2019 count
Owner
State
State Highway Agency

About this bridge

NC45 over Conaby Creek is a prestressed concrete slab carrying NC45 over Conaby Creek in Washington County, North Carolina. It was built in 1994, so it is 31 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 3,200 by 2040. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC45
CrossesConaby Creek
Location0.1 MI S. of JCT SR1114
RouteState Highway 45
Coordinates35.8492, -76.73162
Functional classRural Major Collector

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 inspectionFebruary 2025
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2019)
Projected traffic3,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 NC45 over Conaby Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is NC45 over Conaby 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 February 2025.

How much traffic does NC45 over Conaby Creek carry?

About 1,800 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is NC45 over Conaby Creek?

The structure is 92 ft (28 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns NC45 over Conaby Creek?

It is owned by the State Highway Agency.