US Bridges

Tingle RD over Muddy Prong

Fair

La Salle Parish, Louisiana · 0.8 Miles South of LA 8 · Structure no. 583031398921011

Built
1984
41 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
32 ft
3 main spans
Daily traffic
70
1973 count
Owner
County
County Highway Agency

About this bridge

Tingle RD over Muddy Prong is a steel culvert carrying Tingle RD over Muddy Prong in La Salle Parish, Louisiana. It was built in 1984, so it is 41 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 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 70 vehicles a day, projected to reach 77 by 1993. The structure is 32 ft (9.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTingle RD
CrossesMuddy Prong
Location0.8 Miles South of LA 8
RouteCounty Highway 0
CountyLa Salle Parish
StateLouisiana
Coordinates31.66275, -92.16816
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span7 ft (2.1 m)
Deck width58 ft (17.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1973)
Projected traffic77 by 1993
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tingle RD over Muddy Prong built?

It was built in 1984, making it 41 years old in 2025.

What condition is Tingle RD over Muddy Prong 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 February 2024.

How much traffic does Tingle RD over Muddy Prong carry?

About 70 vehicles per day (1973 count).

How long is Tingle RD over Muddy Prong?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m) and a deck 58 ft wide.

Who owns Tingle RD over Muddy Prong?

It is owned by the County Highway Agency.