US Bridges

China Grove RD over Muddy Bayou

Fair

Richland Parish, Louisiana · 0.1 MI E of LA 135 · Structure no. 054232165915201

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
40
1979 count
Owner
County
County Highway Agency

About this bridge

China Grove RD over Muddy Bayou is a concrete culvert carrying China Grove RD over Muddy Bayou in Richland Parish, Louisiana. It was built in 1996, so it is 29 years old, younger than the Louisiana average of 43 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 40 vehicles a day, projected to reach 44 by 1999. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesChina Grove RD
CrossesMuddy Bayou
Location0.1 MI E of LA 135
RouteCounty Highway 0
CountyRichland Parish
StateLouisiana
Coordinates32.27719, -91.86878
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1979)
Projected traffic44 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was China Grove RD over Muddy Bayou built?

It was built in 1996, making it 29 years old in 2025.

What condition is China Grove RD 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 August 2023.

How much traffic does China Grove RD over Muddy Bayou carry?

About 40 vehicles per day (1979 count).

How long is China Grove RD over Muddy Bayou?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m) and a deck 40 ft wide.

Who owns China Grove RD over Muddy Bayou?

It is owned by the County Highway Agency.