US Bridges

I40 Wbl over Middle Creek

Fair

Johnston County, North Carolina · 0.7 MI.E.JCT.SR1525 · Structure no. 000000001010498

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
5 main spans
Daily traffic
22,750
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over Middle Creek is a prestressed concrete stringer/multi-beam or girder carrying I40 Wbl over Middle Creek in Johnston County, North Carolina. It was built in 1987, so it is 38 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 22,750 vehicles a day, roughly 23% of them trucks, projected to reach 45,500 by 2040. The structure is 273 ft (83.2 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesI40 Wbl
CrossesMiddle Creek
Location0.7 MI.E.JCT.SR1525
RouteInterstate 40
CountyJohnston County
StateNorth Carolina
Coordinates35.5624, -78.57572
Functional classRural Principal Arterial - Interstate

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length273 ft (83.2 m)
Longest span61 ft (18.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,750 (2020)
Projected traffic45,500 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40 Wbl over Middle Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is I40 Wbl over Middle 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 June 2023.

How much traffic does I40 Wbl over Middle Creek carry?

About 22,750 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I40 Wbl over Middle Creek?

The structure is 273 ft (83.2 m) long with a longest span of 61 ft (18.5 m) and a deck 43 ft wide.

Who owns I40 Wbl over Middle Creek?

It is owned by the State Highway Agency.