US Bridges

Robert Bush Road over Strong River

FairPosted for load

Simpson County, Mississippi · Sec 26 T 1N R 3E B · Structure no. SA6400000000013

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
3 main spans
Daily traffic
220
2024 count
Owner
County
County Highway Agency

About this bridge

Robert Bush Road over Strong River is a steel continuous stringer/multi-beam or girder carrying Robert Bush Road over 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. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2044. The structure is 300 ft (91.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRobert Bush Road
CrossesStrong River
LocationSec 26 T 1N R 3E B
RouteCounty Highway 390
Coordinates31.90063, -89.96249
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2024)
Projected traffic330 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Robert Bush Road over Strong River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Robert Bush Road over 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 November 2023.

How much traffic does Robert Bush Road over Strong River carry?

About 220 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Robert Bush Road over Strong River?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns Robert Bush Road over Strong River?

It is owned by the County Highway Agency.