US Bridges

I85N over Little Alamance Creek

Fair

Guilford County, North Carolina · 0.4 Mi. S.Jct. SR3029 · Structure no. 000000000810786

Built
2003
22 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
325 ft
4 main spans
Daily traffic
21,000
2021 count
Owner
State
State Highway Agency

About this bridge

I85N over Little Alamance Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I85N over Little Alamance Creek in Guilford County, North Carolina. It was built in 2003, so it is 22 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 21,000 vehicles a day, roughly 16% of them trucks, projected to reach 42,000 by 2040. The structure is 325 ft (99 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85N
CrossesLittle Alamance Creek
Location0.4 Mi. S.Jct. SR3029
RouteInterstate 85
Coordinates36.03192, -79.70257
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length325 ft (99 m)
Longest span90 ft (27.4 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2021)
Projected traffic42,000 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I85N over Little Alamance Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is I85N over Little Alamance 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 October 2023.

How much traffic does I85N over Little Alamance Creek carry?

About 21,000 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I85N over Little Alamance Creek?

The structure is 325 ft (99 m) long with a longest span of 90 ft (27.4 m) and a deck 62 ft wide.

Who owns I85N over Little Alamance Creek?

It is owned by the State Highway Agency.