US Bridges

Shannon DR over Little Bayou Pipe

Good

St. Tammany Parish, Louisiana · US190 3.2 MI E LA 434 · Structure no. 625230189895331

Built
1995
30 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
21 ft
Daily traffic
100
2016 count
Owner
County
County Highway Agency

About this bridge

Shannon DR over Little Bayou Pipe is a steel culvert carrying Shannon DR over Little Bayou Pipe in St. Tammany Parish, Louisiana. It was built in 1995, so it is 30 years old, younger than the Louisiana average of 43 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 100 vehicles a day, projected to reach 110 by 2036. The structure is 21 ft (6.4 m) long and 52 ft wide.

CarriesShannon DR
CrossesLittle Bayou Pipe
LocationUS190 3.2 MI E LA 434
RouteCounty Highway 0
Coordinates30.31869, -89.88746
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0 (+2 approach)
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width52 ft (15.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2016)
Projected traffic110 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Shannon DR over Little Bayou Pipe built?

It was built in 1995, making it 30 years old in 2025.

What condition is Shannon DR over Little Bayou Pipe 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 January 2025.

How much traffic does Shannon DR over Little Bayou Pipe carry?

About 100 vehicles per day (2016 count).

How long is Shannon DR over Little Bayou Pipe?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 52 ft wide.

Who owns Shannon DR over Little Bayou Pipe?

It is owned by the County Highway Agency.