US Bridges

SR 15 over Quinn Branch

Good

Choctaw County, Mississippi · 0.8 MI S SR 12 · Structure no. 310001501020830

Built
1939
86 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Quinn Branch is a concrete culvert carrying SR 15 over Quinn Branch in Choctaw County, Mississippi. It was built in 1939, so it is 86 years old, older than the Mississippi average of 38.9 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 5,000 vehicles a day, roughly 14% of them trucks, projected to reach 5,000 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 15
CrossesQuinn Branch
Location0.8 MI S SR 12
RouteState Highway 15
Coordinates33.31138, -89.17674
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length21 ft (6.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic5,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SR 15 over Quinn Branch built?

It was built in 1939, making it 86 years old in 2025.

What condition is SR 15 over Quinn 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 January 2024.

How much traffic does SR 15 over Quinn Branch carry?

About 5,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Quinn Branch?

The structure is 21 ft (6.3 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 15 over Quinn Branch?

It is owned by the State Highway Agency.