US Bridges

SR1843 over I-40

FairPosted for load

Burke County, North Carolina · .1 MI.S.JCT.SR1726 · Structure no. 000000000230146

Built
1958
67 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
214 ft
4 main spans
Daily traffic
600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1843 over I-40 is a steel stringer/multi-beam or girder carrying SR1843 over I-40 in Burke County, North Carolina. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 7% of them trucks, projected to reach 1,200 by 2040. The structure is 214 ft (65.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1843
CrossesI-40
Location.1 MI.S.JCT.SR1726
RouteState Highway 1843
CountyBurke County
StateNorth Carolina
Coordinates35.72952, -81.59432
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length214 ft (65.2 m)
Longest span53 ft (16.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic1,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1843 over I-40 built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR1843 over I-40 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 August 2023.

How much traffic does SR1843 over I-40 carry?

About 600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1843 over I-40?

The structure is 214 ft (65.2 m) long with a longest span of 53 ft (16.1 m) and a deck 28 ft wide.

Who owns SR1843 over I-40?

It is owned by the State Highway Agency.