US Bridges

SR 29 over Leaf River

Good

Perry County, Mississippi · 1.7 MI N US 98 · Structure no. 310002905603500

Built
1970
55 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,232 ft
3 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 29 over Leaf River is a steel continuous stringer/multi-beam or girder carrying SR 29 over Leaf River in Perry County, Mississippi. It was built in 1970, so it is 55 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 3,300 vehicles a day, roughly 31% of them trucks, projected to reach 3,300 by 2043. The structure is 1,232 ft (375.5 m) long and 36 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesSR 29
CrossesLeaf River
Location1.7 MI N US 98
RouteState Highway 29
Coordinates31.21988, -89.05137
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHS 20
Structure length1,232 ft (375.5 m)
Longest span130 ft (39.6 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,300 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed34.2 mi (55 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 29 over Leaf River built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 29 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 29 over Leaf River carry?

About 3,300 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is SR 29 over Leaf River?

The structure is 1,232 ft (375.5 m) long with a longest span of 130 ft (39.6 m) and a deck 36 ft wide.

Who owns SR 29 over Leaf River?

It is owned by the State Highway Agency.