US Bridges

SR 436 over Steele Bayou

Fair

Washington County, Mississippi · 0.1 MI E SR 1 · Structure no. 310043607600190

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
427 ft
5 main spans
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 436 over Steele Bayou is a prestressed concrete stringer/multi-beam or girder carrying SR 436 over Steele Bayou in Washington County, Mississippi. It was built in 1983, so it is 42 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 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 300 vehicles a day, roughly 11% of them trucks, projected to reach 300 by 2043. The structure is 427 ft (130.1 m) long and 31 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSR 436
CrossesSteele Bayou
Location0.1 MI E SR 1
RouteState Highway 436
Coordinates33.03139, -90.99909
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length427 ft (130.1 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 436 over Steele Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 436 over Steele Bayou 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 2024.

How much traffic does SR 436 over Steele Bayou carry?

About 300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 436 over Steele Bayou?

The structure is 427 ft (130.1 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns SR 436 over Steele Bayou?

It is owned by the State Highway Agency.