US Bridges

NC18 over Henry Fork Creek

Fair

Burke County, North Carolina · .2 MI.S.JCT.SR1748 · Structure no. 000000000230032

Built
1952
73 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
213 ft
5 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

NC18 over Henry Fork Creek is a concrete tee beam carrying NC18 over Henry Fork Creek in Burke County, North Carolina. It was built in 1952, so it is 73 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 5 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 3,900 vehicles a day, roughly 8% of them trucks, projected to reach 7,800 by 2040. The structure is 213 ft (64.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNC18
CrossesHenry Fork Creek
Location.2 MI.S.JCT.SR1748
RouteState Highway 18
Coordinates35.67354, -81.53622
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length213 ft (64.9 m)
Longest span41 ft (12.4 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic7,800 by 2040
Trucks8%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC18 over Henry Fork Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is NC18 over Henry Fork 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 September 2023.

How much traffic does NC18 over Henry Fork Creek carry?

About 3,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC18 over Henry Fork Creek?

The structure is 213 ft (64.9 m) long with a longest span of 41 ft (12.4 m) and a deck 31 ft wide.

Who owns NC18 over Henry Fork Creek?

It is owned by the State Highway Agency.