US Bridges

Old HWY 49 over Bayou Bernard

Fair

Harrison County, Mississippi · Sec 16 T 7S R11W · Structure no. SA2400000000102

Built
2001
24 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
303 ft
14 main spans
Daily traffic
4,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old HWY 49 over Bayou Bernard is a concrete channel beam carrying Old HWY 49 over Bayou Bernard in Harrison County, Mississippi. It was built in 2001, so it is 24 years old, younger 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 4,000 vehicles a day, roughly 8% of them trucks, projected to reach 6,000 by 2032. The structure is 303 ft (92.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 49
CrossesBayou Bernard
LocationSec 16 T 7S R11W
RouteCounty Highway 649
Coordinates30.44028, -89.1
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.9 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans14
Design loadHS 20
Structure length303 ft (92.3 m)
Longest span31 ft (9.5 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2011)
Projected traffic6,000 by 2032
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 49 over Bayou Bernard built?

It was built in 2001, making it 24 years old in 2025.

What condition is Old HWY 49 over Bayou Bernard 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 March 2023.

How much traffic does Old HWY 49 over Bayou Bernard carry?

About 4,000 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Old HWY 49 over Bayou Bernard?

The structure is 303 ft (92.3 m) long with a longest span of 31 ft (9.5 m) and a deck 33 ft wide.

Who owns Old HWY 49 over Bayou Bernard?

It is owned by the City or Municipal Highway Agency.