US Bridges

Rodney Road over Muddy Bayou

Fair

Jefferson County, Mississippi · Sec 13 T10N R 1W B · Structure no. SA3200000000067

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Rodney Road over Muddy Bayou is a prestressed concrete stringer/multi-beam or girder carrying Rodney Road over Muddy Bayou in Jefferson County, Mississippi. It was built in 1979, so it is 46 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 250 by 2044. The structure is 240 ft (73.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRodney Road
CrossesMuddy Bayou
LocationSec 13 T10N R 1W B
RouteCounty Highway 302
Coordinates31.84586, -91.16128
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic250 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rodney Road over Muddy Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is Rodney Road over Muddy 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 January 2024.

How much traffic does Rodney Road over Muddy Bayou carry?

About 150 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rodney Road over Muddy Bayou?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Rodney Road over Muddy Bayou?

It is owned by the County Highway Agency.