US Bridges

SR3109 over Little Brier Creek

Fair

Wake County, North Carolina · 0.1MI. E. SR1645 · Structure no. 000000001831011

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
59 ft
4 main spans
Daily traffic
25,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR3109 over Little Brier Creek is a concrete continuous culvert carrying SR3109 over Little Brier Creek in Wake County, North Carolina. It was built in 1994, so it is 31 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 25,500 vehicles a day, roughly 7% of them trucks, projected to reach 51,000 by 2040. The structure is 59 ft (17.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR3109
CrossesLittle Brier Creek
Location0.1MI. E. SR1645
RouteState Highway 3109
Coordinates35.90247, -78.78987
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length59 ft (17.9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2022)
Projected traffic51,000 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR3109 over Little Brier Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR3109 over Little Brier Creek 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 October 2024.

How much traffic does SR3109 over Little Brier Creek carry?

About 25,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR3109 over Little Brier Creek?

The structure is 59 ft (17.9 m) long with a longest span of 9 ft (2.7 m).

Who owns SR3109 over Little Brier Creek?

It is owned by the State Highway Agency.