US Bridges

SR1109 over Big Branch

Good

Nash County, North Carolina · 0.1 Mi. E. Jct. SR1132 · Structure no. 000000001270062

Built
2018
7 years old
Condition
Good
inspected April 2022
Type
Slab
Prestressed Concrete
Length
103 ft
2 main spans
Daily traffic
800
2019 count
Owner
State
State Highway Agency

About this bridge

SR1109 over Big Branch is a prestressed concrete slab carrying SR1109 over Big Branch in Nash County, North Carolina. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,600 by 2040. The structure is 103 ft (31.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1109
CrossesBig Branch
Location0.1 Mi. E. Jct. SR1132
RouteState Highway 1109
Coordinates35.80427, -78.15463
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length103 ft (31.3 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2019)
Projected traffic1,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1109 over Big Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR1109 over Big Branch 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 April 2022.

How much traffic does SR1109 over Big Branch carry?

About 800 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1109 over Big Branch?

The structure is 103 ft (31.3 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns SR1109 over Big Branch?

It is owned by the State Highway Agency.