US Bridges

SR1525 over I40

Fair

Johnston County, North Carolina · 0.7MI.E.SR1524 · Structure no. 000000001010499

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
4 main spans
Daily traffic
4,100
2019 count
Owner
State
State Highway Agency

About this bridge

SR1525 over I40 is a prestressed concrete stringer/multi-beam or girder carrying SR1525 over I40 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 4,100 vehicles a day, roughly 7% of them trucks, projected to reach 8,200 by 2040. The structure is 197 ft (60 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1525
CrossesI40
Location0.7MI.E.SR1524
RouteState Highway 1525
CountyJohnston County
StateNorth Carolina
Coordinates35.57389, -78.57637
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length197 ft (60 m)
Longest span62 ft (18.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2019)
Projected traffic8,200 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 SR1525 over I40 built?

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

What condition is SR1525 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 March 2023.

How much traffic does SR1525 over I40 carry?

About 4,100 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1525 over I40?

The structure is 197 ft (60 m) long with a longest span of 62 ft (18.8 m) and a deck 27 ft wide.

Who owns SR1525 over I40?

It is owned by the State Highway Agency.