US Bridges

Silas Brown over Pearl River

Fair

Hinds County, Mississippi · SEC_10_T 5N_R 1E · Structure no. SA2500000000128

Built
1925
100 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
1,010 ft
1 main span
Daily traffic
8,400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Silas Brown over Pearl River is a concrete arch - deck carrying Silas Brown over Pearl River in Hinds County, Mississippi. It was built in 1925, so it is 100 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 8,400 vehicles a day, roughly 8% of them trucks, projected to reach 12,600 by 2044. The structure is 1,010 ft (308 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSilas Brown
CrossesPearl River
LocationSEC_10_T 5N_R 1E
RouteCity Street 8295
Coordinates32.28961, -90.17903
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+23 approach)
Design loadHS 20
Structure length1,010 ft (308 m)
Longest span191 ft (58.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2024)
Projected traffic12,600 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$584,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Silas Brown over Pearl River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Silas Brown over Pearl 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 October 2023.

How much traffic does Silas Brown over Pearl River carry?

About 8,400 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Silas Brown over Pearl River?

The structure is 1,010 ft (308 m) long with a longest span of 191 ft (58.2 m) and a deck 29 ft wide.

Who owns Silas Brown over Pearl River?

It is owned by the City or Municipal Highway Agency.