US Bridges

Jupiter Road over Branch Into Strong River

Fair

Simpson County, Mississippi · Sec 29 T 2N R 4E · Structure no. SA6400000000081

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
2,000
2022 count
Owner
County
County Highway Agency

About this bridge

Jupiter Road over Branch Into Strong River is a concrete stringer/multi-beam or girder carrying Jupiter Road over Branch Into Strong River in Simpson County, Mississippi. It was built in 1964, so it is 61 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 5 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 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2042. The structure is 200 ft (61 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesJupiter Road
CrossesBranch Into Strong River
LocationSec 29 T 2N R 4E
RouteCounty Highway 390
Coordinates31.98257, -89.91314
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,000 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$540,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jupiter Road over Branch Into Strong River built?

It was built in 1964, making it 61 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 September 2024.

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

About 2,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Jupiter Road over Branch Into Strong River?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Jupiter Road over Branch Into Strong River?

It is owned by the County Highway Agency.