US Bridges

SR2117 over I-77

Good

Mecklenburg County, North Carolina · 0.25 Mi. W. Jct. US21 · Structure no. 000000001190353

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
353 ft
5 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

SR2117 over I-77 is a prestressed concrete stringer/multi-beam or girder carrying SR2117 over I-77 in Mecklenburg County, North Carolina. It was built in 2019, so it is 6 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 8,300 vehicles a day, roughly 6% of them trucks, projected to reach 16,600 by 2040. The structure is 353 ft (107.5 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR2117
CrossesI-77
Location0.25 Mi. W. Jct. US21
RouteState Highway 2117
Coordinates35.37624, -80.84706
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length353 ft (107.5 m)
Longest span123 ft (37.4 m)
Deck width88 ft (26.8 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic16,600 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2117 over I-77 built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR2117 over I-77 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 October 2023.

How much traffic does SR2117 over I-77 carry?

About 8,300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR2117 over I-77?

The structure is 353 ft (107.5 m) long with a longest span of 123 ft (37.4 m) and a deck 88 ft wide.

Who owns SR2117 over I-77?

It is owned by the State Highway Agency.