US Bridges

Jupiter Road over Branch of Strong River

PoorPosted for load

Simpson County, Mississippi · Sec 22 T 1N R 3E B · Structure no. SA6400000000011

Built
1991
34 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
130
2021 count
Owner
County
County Highway Agency

About this bridge

Jupiter Road over Branch of Strong River is a concrete channel beam carrying Jupiter Road over Branch of Strong River in Simpson County, Mississippi. It was built in 1991, so it is 34 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 8% of them trucks, projected to reach 195 by 2043. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesJupiter Road
CrossesBranch of Strong River
LocationSec 22 T 1N R 3E B
RouteCounty Highway 325
Coordinates31.90756, -89.97083
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating19.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic195 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jupiter Road over Branch of Strong River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Jupiter Road over Branch of Strong River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Jupiter Road over Branch of Strong River carry?

About 130 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Jupiter Road over Branch of Strong River?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Jupiter Road over Branch of Strong River?

It is owned by the County Highway Agency.