US Bridges

I40 I85 over Little Back Creek

Fair

Alamance County, North Carolina · 1.3 Mi. N. Jct. SR1300 · Structure no. 000000000010009

Built
1953
72 years old, rebuilt 1962
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
124,000
2018 count
Owner
State
State Highway Agency

About this bridge

I40 I85 over Little Back Creek is a concrete culvert carrying I40 I85 over Little Back Creek in Alamance County, North Carolina. It was built in 1953 and reconstructed in 1962, so it is 72 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 124,000 vehicles a day, roughly 16% of them trucks, projected to reach 216,000 by 2040. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI40 I85
CrossesLittle Back Creek
Location1.3 Mi. N. Jct. SR1300
RouteInterstate 40
Coordinates36.06301, -79.53818
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.1 m)
Longest span40 ft (12.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124,000 (2018)
Projected traffic216,000 by 2040
Trucks16%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 I85 over Little Back Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1962.

What condition is I40 I85 over Little Back 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 January 2025.

How much traffic does I40 I85 over Little Back Creek carry?

About 124,000 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is I40 I85 over Little Back Creek?

The structure is 40 ft (12.1 m) long with a longest span of 40 ft (12.1 m).

Who owns I40 I85 over Little Back Creek?

It is owned by the State Highway Agency.