US Bridges

SR 605 over Industrial Waterway

Fair

Harrison County, Mississippi · 3.5 MI N US 90 · Structure no. 310060502400350

Built
2002
23 years old
Condition
Fair
inspected June 2023
Type
Movable - Bascule
Steel
Length
1,393 ft
3 main spans
Daily traffic
34,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 605 over Industrial Waterway is a steel movable - bascule carrying SR 605 over Industrial Waterway in Harrison County, Mississippi. It was built in 2002, so it is 23 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 34,000 vehicles a day, roughly 5% of them trucks, projected to reach 34,000 by 2043. The structure is 1,393 ft (424.7 m) long and 99 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSR 605
CrossesIndustrial Waterway
Location3.5 MI N US 90
RouteState Highway 605
CountyHarrison County
StateMississippi
Coordinates30.42279, -89.03196
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating53.6 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 20
Structure length1,393 ft (424.7 m)
Longest span164 ft (50 m)
Deck width99 ft (30.3 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2023)
Projected traffic34,000 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 605 over Industrial Waterway built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR 605 over Industrial Waterway 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 June 2023.

How much traffic does SR 605 over Industrial Waterway carry?

About 34,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 605 over Industrial Waterway?

The structure is 1,393 ft (424.7 m) long with a longest span of 164 ft (50 m) and a deck 99 ft wide.

Who owns SR 605 over Industrial Waterway?

It is owned by the State Highway Agency.