US Bridges

Asmard ST over Bayou Portage Branch

PoorPosted for load

Harrison County, Mississippi · Sec 23 T 8S R13W · Structure no. SA2400000000169

Built
1968
57 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
450
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Asmard ST over Bayou Portage Branch is a concrete channel beam carrying Asmard ST over Bayou Portage Branch in Harrison County, Mississippi. It was built in 1968, so it is 57 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, roughly 8% of them trucks, projected to reach 495 by 2044. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAsmard ST
CrossesBayou Portage Branch
LocationSec 23 T 8S R13W
RouteCity Street 3178
Coordinates30.33242, -89.25907
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating5 US tons
Inventory rating3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2024)
Projected traffic495 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Asmard ST over Bayou Portage Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Asmard ST over Bayou Portage Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Asmard ST over Bayou Portage Branch carry?

About 450 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Asmard ST over Bayou Portage Branch?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Asmard ST over Bayou Portage Branch?

It is owned by the City or Municipal Highway Agency.