US Bridges

Sonat Road over Partman Branch

FairPosted for load

Jefferson Davis County, Mississippi · Sec 15 T 9N R19W B · Structure no. SA3300000000105

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
280
2024 count
Owner
County
County Highway Agency

About this bridge

Sonat Road over Partman Branch is a concrete channel beam carrying Sonat Road over Partman Branch in Jefferson Davis County, Mississippi. It was built in 1988, so it is 37 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 280 vehicles a day, roughly 8% of them trucks, projected to reach 320 by 2046. The structure is 114 ft (34.7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSonat Road
CrossesPartman Branch
LocationSec 15 T 9N R19W B
RouteCounty Highway 130
CountyJefferson Davis County
StateMississippi
Coordinates31.74863, -89.89773
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating35.4 US tons
Inventory rating21.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2024)
Projected traffic320 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$154,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sonat Road over Partman Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sonat Road over Partman 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 August 2024.

How much traffic does Sonat Road over Partman Branch carry?

About 280 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Sonat Road over Partman Branch?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Sonat Road over Partman Branch?

It is owned by the County Highway Agency.