US Bridges

Siegen LN over Ser. RD Wards Creek RR

Good

East Baton Rouge Parish, Louisiana · 0.5 Mi. E. of LA 42 · Structure no. 611708174001851

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
837 ft
9 main spans
Daily traffic
437
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Siegen LN over Ser. RD Wards Creek RR is a prestressed concrete stringer/multi-beam or girder carrying Siegen LN over Ser. RD Wards Creek RR in East Baton Rouge Parish, Louisiana. It was built in 1994, so it is 31 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 437 vehicles a day, roughly 9% of them trucks, projected to reach 480 by 2041. The structure is 837 ft (255.1 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSiegen LN
CrossesSer. RD Wards Creek RR
Location0.5 Mi. E. of LA 42
RouteCity Street 0
Coordinates30.37473, -91.06988
Functional classUrban Other Principal Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length837 ft (255.1 m)
Longest span106 ft (32.3 m)
Deck width60 ft (18.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic437 (2021)
Projected traffic480 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Siegen LN over Ser. RD Wards Creek RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Siegen LN over Ser. RD Wards Creek RR 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 May 2023.

How much traffic does Siegen LN over Ser. RD Wards Creek RR carry?

About 437 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Siegen LN over Ser. RD Wards Creek RR?

The structure is 837 ft (255.1 m) long with a longest span of 106 ft (32.3 m) and a deck 60 ft wide.

Who owns Siegen LN over Ser. RD Wards Creek RR?

It is owned by the City or Municipal Highway Agency.