US Bridges

N. Front Street over Muddy Bayou

Good

Coahoma County, Mississippi · Sec 23 T30N R 3W · Structure no. SA1400000000106

Built
1979
46 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
620
2023 count
Owner
County
County Highway Agency

About this bridge

N. Front Street over Muddy Bayou is a concrete channel beam carrying N. Front Street over Muddy Bayou in Coahoma 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 620 vehicles a day, roughly 8% of them trucks, projected to reach 930 by 2043. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN. Front Street
CrossesMuddy Bayou
LocationSec 23 T30N R 3W
RouteCounty Highway 40
Coordinates34.46041, -90.4749
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2023)
Projected traffic930 by 2043
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$146,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Front Street over Muddy Bayou built?

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

What condition is N. Front Street over Muddy Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does N. Front Street over Muddy Bayou carry?

About 620 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is N. Front Street over Muddy Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns N. Front Street over Muddy Bayou?

It is owned by the County Highway Agency.