US Bridges

SR2315 over Four Mile Branch

Fair

Davidson County, North Carolina · 0.2 Mi. W. Jct. SR2310 · Structure no. 000000000570207

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
100
2000 count
Owner
State
State Highway Agency

About this bridge

SR2315 over Four Mile Branch is a prestressed concrete slab carrying SR2315 over Four Mile Branch in Davidson County, North Carolina. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 97 ft (29.5 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR2315
CrossesFour Mile Branch
Location0.2 Mi. W. Jct. SR2310
RouteState Highway 2315
Coordinates35.70243, -80.17797
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length97 ft (29.5 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2000)
Projected traffic200 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2315 over Four Mile Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR2315 over Four Mile Branch 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 April 2024.

How much traffic does SR2315 over Four Mile Branch carry?

About 100 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR2315 over Four Mile Branch?

The structure is 97 ft (29.5 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns SR2315 over Four Mile Branch?

It is owned by the State Highway Agency.