US Bridges

SR1136 over W.Branch Rocky River

Fair

Iredell County, North Carolina · 0.7 Mi. E. Jct. SR1137 · Structure no. 000000000970040

Built
2001
24 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
6,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR1136 over W.Branch Rocky River is a prestressed concrete slab carrying SR1136 over W.Branch Rocky River in Iredell County, North Carolina. It was built in 2001, so it is 24 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 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 6,500 vehicles a day, roughly 6% of them trucks, projected to reach 13,000 by 2040. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1136
CrossesW.Branch Rocky River
Location0.7 Mi. E. Jct. SR1137
RouteState Highway 1136
CountyIredell County
StateNorth Carolina
Coordinates35.53407, -80.82186
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span39 ft (11.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2021)
Projected traffic13,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1136 over W.Branch Rocky River built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR1136 over W.Branch Rocky River 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 January 2024.

How much traffic does SR1136 over W.Branch Rocky River carry?

About 6,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1136 over W.Branch Rocky River?

The structure is 92 ft (28 m) long with a longest span of 39 ft (11.8 m) and a deck 30 ft wide.

Who owns SR1136 over W.Branch Rocky River?

It is owned by the State Highway Agency.