US Bridges

I-77N(RAMP to I-40 over Fourth Creek Museum Gre

Good

Iredell County, North Carolina · 0.4 Mi.S. Jct. I-40 · Structure no. 000000000970681

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
193 ft
2 main spans
Daily traffic
28,250
2020 count
Owner
State
State Highway Agency

About this bridge

I-77N(RAMP to I-40 over Fourth Creek Museum Gre is a prestressed concrete stringer/multi-beam or girder carrying I-77N(RAMP to I-40 over Fourth Creek Museum Gre in Iredell County, North Carolina. It was built in 2021, so it is 4 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,250 vehicles a day, roughly 16% of them trucks, projected to reach 56,500 by 2040. The structure is 193 ft (58.8 m) long and 192 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-77N(RAMP to I-40
CrossesFourth Creek Museum Gre
Location0.4 Mi.S. Jct. I-40
RouteInterstate 77
CountyIredell County
StateNorth Carolina
Coordinates35.80396, -80.86119
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length193 ft (58.8 m)
Longest span115 ft (35 m)
Deck width192 ft (58.5 m)
Roadway width186 ft (56.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,250 (2020)
Projected traffic56,500 by 2040
Trucks16%
Lanes on structure6
Traffic directionTwo-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 I-77N(RAMP to I-40 over Fourth Creek Museum Gre built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-77N(RAMP to I-40 over Fourth Creek Museum Gre in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does I-77N(RAMP to I-40 over Fourth Creek Museum Gre carry?

About 28,250 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I-77N(RAMP to I-40 over Fourth Creek Museum Gre?

The structure is 193 ft (58.8 m) long with a longest span of 115 ft (35 m) and a deck 192 ft wide.

Who owns I-77N(RAMP to I-40 over Fourth Creek Museum Gre?

It is owned by the State Highway Agency.