US Bridges

I77 Nbl over Hunting Creek

Fair

Iredell County, North Carolina · 1.7 Mi. N. Jct. NC901 · Structure no. 000000000970209

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
328 ft
5 main spans
Daily traffic
13,750
2020 count
Owner
State
State Highway Agency

About this bridge

I77 Nbl over Hunting Creek is a prestressed concrete stringer/multi-beam or girder carrying I77 Nbl over Hunting Creek in Iredell County, North Carolina. It was built in 1973, so it is 52 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 13,750 vehicles a day, roughly 23% of them trucks, projected to reach 27,500 by 2040. The structure is 328 ft (99.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI77 Nbl
CrossesHunting Creek
Location1.7 Mi. N. Jct. NC901
RouteInterstate 77
Coordinates36.03039, -80.81903
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length328 ft (99.9 m)
Longest span64 ft (19.5 m)
Deck width42 ft (12.9 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,750 (2020)
Projected traffic27,500 by 2040
Trucks23%
Lanes on structure2
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 I77 Nbl over Hunting Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is I77 Nbl over Hunting 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 May 2024.

How much traffic does I77 Nbl over Hunting Creek carry?

About 13,750 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I77 Nbl over Hunting Creek?

The structure is 328 ft (99.9 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns I77 Nbl over Hunting Creek?

It is owned by the State Highway Agency.