US Bridges

I40 Wbl over SR1725 Southern RR

Fair

Orange County, North Carolina · 1.3 Mi. W. Jct. NC86 · Structure no. 000000001350264

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
239 ft
4 main spans
Daily traffic
29,500
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over SR1725 Southern RR is a prestressed concrete stringer/multi-beam or girder carrying I40 Wbl over SR1725 Southern RR in Orange County, North Carolina. It was built in 1986, so it is 39 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 29,500 vehicles a day, roughly 16% of them trucks, projected to reach 59,000 by 2040. The structure is 239 ft (72.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40 Wbl
CrossesSR1725 Southern RR
Location1.3 Mi. W. Jct. NC86
RouteInterstate 40
CountyOrange County
StateNorth Carolina
Coordinates35.98709, -79.07504
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span64 ft (19.5 m)
Deck width40 ft (12.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2020)
Projected traffic59,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 Wbl over SR1725 Southern RR built?

It was built in 1986, making it 39 years old in 2025.

What condition is I40 Wbl over SR1725 Southern RR 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 May 2024.

How much traffic does I40 Wbl over SR1725 Southern RR carry?

About 29,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 Wbl over SR1725 Southern RR?

The structure is 239 ft (72.8 m) long with a longest span of 64 ft (19.5 m) and a deck 40 ft wide.

Who owns I40 Wbl over SR1725 Southern RR?

It is owned by the State Highway Agency.