US Bridges

SR 15 over Leaf River

Good

Perry County, Mississippi · 0.9 MI N SR 198 · Structure no. 310001505604110

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,682 ft
3 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Leaf River is a steel continuous stringer/multi-beam or girder carrying SR 15 over Leaf River in Perry County, Mississippi. It was built in 1992, so it is 33 years old, younger 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 2,600 vehicles a day, roughly 13% of them trucks, projected to reach 2,600 by 2043. The structure is 1,682 ft (512.7 m) long and 47 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 15
CrossesLeaf River
Location0.9 MI N SR 198
RouteState Highway 15
Coordinates31.18081, -88.91909
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.2 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+27 approach)
Design loadHS 20
Structure length1,682 ft (512.7 m)
Longest span250 ft (76.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic2,600 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 Leaf River built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 15 over Leaf 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 June 2024.

How much traffic does SR 15 over Leaf River carry?

About 2,600 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 15 over Leaf River?

The structure is 1,682 ft (512.7 m) long with a longest span of 250 ft (76.2 m) and a deck 47 ft wide.

Who owns SR 15 over Leaf River?

It is owned by the State Highway Agency.