US Bridges

SR 29 over I 59

GoodPosted for load

Jones County, Mississippi · SR 29 over I 59 · Structure no. 310002903406870

Built
1960
65 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
238 ft
2 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 29 over I 59 is a concrete continuous box beam or girders - multiple carrying SR 29 over I 59 in Jones County, Mississippi. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 11,000 vehicles a day, roughly 6% of them trucks, projected to reach 11,000 by 2043. The structure is 238 ft (72.5 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 29
CrossesI 59
LocationSR 29 over I 59
RouteState Highway 29
Coordinates31.61278, -89.20713
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length238 ft (72.5 m)
Longest span70 ft (21.3 m)
Deck width63 ft (19.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic11,000 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 29 over I 59 built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 29 over I 59 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 29 over I 59 carry?

About 11,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 29 over I 59?

The structure is 238 ft (72.5 m) long with a longest span of 70 ft (21.3 m) and a deck 63 ft wide.

Who owns SR 29 over I 59?

It is owned by the State Highway Agency.