US Bridges

SR2136 over I77

Fair

Mecklenburg County, North Carolina · 0.17 MI.W.JCT.US21 · Structure no. 000000001190356

Built
1975
50 years old, rebuilt 2013
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
351 ft
5 main spans
Daily traffic
32,500
2018 count
Owner
State
State Highway Agency

About this bridge

SR2136 over I77 is a steel stringer/multi-beam or girder carrying SR2136 over I77 in Mecklenburg County, North Carolina. It was built in 1975 and reconstructed in 2013, so it is 50 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 32,500 vehicles a day, roughly 6% of them trucks, projected to reach 65,000 by 2040. The structure is 351 ft (106.9 m) long and 66 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR2136
CrossesI77
Location0.17 MI.W.JCT.US21
RouteState Highway 2136
Coordinates35.40915, -80.85741
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length351 ft (106.9 m)
Longest span103 ft (31.3 m)
Deck width66 ft (20.1 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (2018)
Projected traffic65,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2136 over I77 built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2013.

What condition is SR2136 over I77 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 SR2136 over I77 carry?

About 32,500 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR2136 over I77?

The structure is 351 ft (106.9 m) long with a longest span of 103 ft (31.3 m) and a deck 66 ft wide.

Who owns SR2136 over I77?

It is owned by the State Highway Agency.