US Bridges

Jupiter Road over Branch Into Strong River

Fair

Simpson County, Mississippi · Sec 23 T 1N R 3E B · Structure no. SA6400000000012

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
220
2022 count
Owner
County
County Highway Agency

About this bridge

Jupiter Road over Branch Into Strong River is a concrete channel beam carrying Jupiter Road over Branch Into Strong River in Simpson County, Mississippi. It was built in 1967, so it is 58 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 220 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2042. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJupiter Road
CrossesBranch Into Strong River
LocationSec 23 T 1N R 3E B
RouteCounty Highway 390
Coordinates31.91131, -89.96062
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length95 ft (29 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 traffic220 (2022)
Projected traffic330 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$276,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jupiter Road over Branch Into Strong River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Jupiter Road over Branch Into Strong River 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 January 2024.

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

About 220 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Jupiter Road over Branch Into Strong River?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Jupiter Road over Branch Into Strong River?

It is owned by the County Highway Agency.