US Bridges

SR1138 over I40

Fair

Burke County, North Carolina · .1 MI.N.JCT.SR1142 · Structure no. 000000000230064

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
238 ft
5 main spans
Daily traffic
2,300
2021 count
Owner
State
State Highway Agency

About this bridge

SR1138 over I40 is a concrete tee beam carrying SR1138 over I40 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 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 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 4,600 by 2040. The structure is 238 ft (72.5 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesSR1138
CrossesI40
Location.1 MI.N.JCT.SR1142
RouteState Highway 1138
CountyBurke County
StateNorth Carolina
Coordinates35.69359, -81.81048
Functional classUrban 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.
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 statusOpen, no 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 rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length238 ft (72.5 m)
Longest span55 ft (16.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2021)
Projected traffic4,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1138 over I40 built?

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

What condition is SR1138 over I40 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 SR1138 over I40 carry?

About 2,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1138 over I40?

The structure is 238 ft (72.5 m) long with a longest span of 55 ft (16.7 m) and a deck 33 ft wide.

Who owns SR1138 over I40?

It is owned by the State Highway Agency.