US Bridges

Three Rivers Road over Bayou Bernard

Good

Harrison County, Mississippi · Sec 16 T 7S R11W B · Structure no. SA2400000000103

Built
1991
34 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
12,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Three Rivers Road over Bayou Bernard is a prestressed concrete stringer/multi-beam or girder carrying Three Rivers Road over Bayou Bernard in Harrison 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,000 vehicles a day, roughly 8% of them trucks, projected to reach 18,000 by 2032. The structure is 200 ft (61 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesThree Rivers Road
CrossesBayou Bernard
LocationSec 16 T 7S R11W B
RouteCity Street 691
Coordinates30.43194, -89.0875
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2011)
Projected traffic18,000 by 2032
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Three Rivers Road over Bayou Bernard built?

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

What condition is Three Rivers Road over Bayou Bernard in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Three Rivers Road over Bayou Bernard carry?

About 12,000 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Three Rivers Road over Bayou Bernard?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 63 ft wide.

Who owns Three Rivers Road over Bayou Bernard?

It is owned by the City or Municipal Highway Agency.