US Bridges

SR1765 over I-40

Fair

Burke County, North Carolina · .3 MI.S.JCT.US64 70 · Structure no. 000000000230169

Built
1956
69 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
189 ft
4 main spans
Daily traffic
700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1765 over I-40 is a steel stringer/multi-beam or girder carrying SR1765 over I-40 in Burke County, North Carolina. It was built in 1956, so it is 69 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 7% of them trucks, projected to reach 1,400 by 2040. The structure is 189 ft (57.6 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1765
CrossesI-40
Location.3 MI.S.JCT.US64 70
RouteState Highway 1765
CountyBurke County
StateNorth Carolina
Coordinates35.71475, -81.45304
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length189 ft (57.6 m)
Longest span52 ft (15.8 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic1,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 SR1765 over I-40 built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR1765 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 October 2023.

How much traffic does SR1765 over I-40 carry?

About 700 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1765 over I-40?

The structure is 189 ft (57.6 m) long with a longest span of 52 ft (15.8 m) and a deck 34 ft wide.

Who owns SR1765 over I-40?

It is owned by the State Highway Agency.