US Bridges

Marion ST over Creek

Good

St. Tammany Parish, Louisiana · 1.2 MI E LA 59 Marion St. · Structure no. 625230254900151

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
300
2016 count
Owner
County
County Highway Agency

About this bridge

Marion ST over Creek is a steel culvert carrying Marion ST over Creek in St. Tammany 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 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 300 vehicles a day, projected to reach 330 by 2036. The structure is 33 ft (10.1 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMarion ST
CrossesCreek
Location1.2 MI E LA 59 Marion St.
RouteCounty Highway 0
Coordinates30.42202, -90.02465
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span8 ft (2.4 m)
Deck width46 ft (14 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)
Projected traffic330 by 2036
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion ST over Creek built?

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

What condition is Marion ST over Creek 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 Marion ST over Creek carry?

About 300 vehicles per day (2016 count).

How long is Marion ST over Creek?

The structure is 33 ft (10.1 m) long with a longest span of 8 ft (2.4 m) and a deck 46 ft wide.

Who owns Marion ST over Creek?

It is owned by the County Highway Agency.