US Bridges

SR 1 over Steele Bayou

Fair

Issaquena County, Mississippi · 0.1 MI S SR 465 · Structure no. 310000102800470

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
532 ft
3 main spans
Daily traffic
360
2023 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Steele Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 1 over Steele Bayou in Issaquena County, Mississippi. It was built in 1975, so it is 50 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 5 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 360 vehicles a day, roughly 13% of them trucks, projected to reach 360 by 2043. The structure is 532 ft (162.2 m) long and 36 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesSR 1
CrossesSteele Bayou
Location0.1 MI S SR 465
RouteState Highway 1
CountyIssaquena County
StateMississippi
Coordinates32.72155, -91.01174
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.7 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length532 ft (162.2 m)
Longest span70 ft (21.3 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2023)
Projected traffic360 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 1 over Steele Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 1 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 May 2023.

How much traffic does SR 1 over Steele Bayou carry?

About 360 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 1 over Steele Bayou?

The structure is 532 ft (162.2 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns SR 1 over Steele Bayou?

It is owned by the State Highway Agency.