US Bridges

SR1116 over Backwater Catawba

Fair

Mecklenburg County, North Carolina · 0.3 Mi. S. Jct. SR1355 · Structure no. 000000001190161

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
3 main spans
Daily traffic
14,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1116 over Backwater Catawba is a steel stringer/multi-beam or girder carrying SR1116 over Backwater Catawba in Mecklenburg County, North Carolina. It was built in 1961, so it is 64 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 5 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 14,000 vehicles a day, roughly 7% of them trucks, projected to reach 28,000 by 2040. The structure is 185 ft (56.3 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR1116
CrossesBackwater Catawba
Location0.3 Mi. S. Jct. SR1355
RouteState Highway 1116
CountyMecklenburg County
StateNorth Carolina
Coordinates35.14586, -81.00206
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length185 ft (56.3 m)
Longest span64 ft (19.5 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2022)
Projected traffic28,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1116 over Backwater Catawba built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1116 over Backwater Catawba 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 November 2023.

How much traffic does SR1116 over Backwater Catawba carry?

About 14,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1116 over Backwater Catawba?

The structure is 185 ft (56.3 m) long with a longest span of 64 ft (19.5 m) and a deck 32 ft wide.

Who owns SR1116 over Backwater Catawba?

It is owned by the State Highway Agency.