US Bridges

I85 SR3762 over Prong Little Alamance CR

Fair

Guilford County, North Carolina · 3.0 Mi. W. Jct. I40 · Structure no. 000000000810573

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
9,800
2021 count
Owner
State
State Highway Agency

About this bridge

I85 SR3762 over Prong Little Alamance CR is a concrete continuous culvert carrying I85 SR3762 over Prong Little Alamance CR in Guilford County, North Carolina. It was built in 1971, so it is 54 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 9,800 vehicles a day, roughly 12% of them trucks, projected to reach 19,600 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI85 SR3762
CrossesProng Little Alamance CR
Location3.0 Mi. W. Jct. I40
RouteInterstate 85
Coordinates36.00094, -79.75429
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2024
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 Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2021)
Projected traffic19,600 by 2040
Trucks12%
Lanes on structure15
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 I85 SR3762 over Prong Little Alamance CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is I85 SR3762 over Prong Little Alamance CR 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 July 2024.

How much traffic does I85 SR3762 over Prong Little Alamance CR carry?

About 9,800 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is I85 SR3762 over Prong Little Alamance CR?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns I85 SR3762 over Prong Little Alamance CR?

It is owned by the State Highway Agency.