US Bridges

SR1138 over West Branch Rocky River

Good

Iredell County, North Carolina · 0.4 Mi. E. Jct. SR2905 · Structure no. 000000000970039

Built
2014
11 years old
Condition
Good
inspected November 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
3,700
2015 count
Owner
State
State Highway Agency

About this bridge

SR1138 over West Branch Rocky River is a prestressed concrete box beam or girders - multiple carrying SR1138 over West Branch Rocky River in Iredell County, North Carolina. It was built in 2014, so it is 11 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 3,700 vehicles a day, roughly 6% of them trucks, projected to reach 7,400 by 2040. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1138
CrossesWest Branch Rocky River
Location0.4 Mi. E. Jct. SR2905
RouteState Highway 1138
Coordinates35.51927, -80.81576
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2015)
Projected traffic7,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1138 over West Branch Rocky River built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR1138 over West Branch Rocky River 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 2021.

How much traffic does SR1138 over West Branch Rocky River carry?

About 3,700 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1138 over West Branch Rocky River?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns SR1138 over West Branch Rocky River?

It is owned by the State Highway Agency.