US Bridges

Siegen LN Off Ramp over Wards Creek RR

Good

East Baton Rouge Parish, Louisiana · 0.5 MI E. of LA 42 · Structure no. 611708174001853

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
790 ft
9 main spans
Daily traffic
4,169
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Siegen LN Off Ramp over Wards Creek RR is a prestressed concrete stringer/multi-beam or girder carrying Siegen LN Off Ramp over 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 4,169 vehicles a day, roughly 11% of them trucks, projected to reach 4,585 by 2044. The structure is 790 ft (240.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSiegen LN Off Ramp
CrossesWards Creek RR
Location0.5 MI E. of LA 42
RouteCity Street 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.37481, -91.06957
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length790 ft (240.8 m)
Longest span202 ft (61.6 m)
Deck width31 ft (9.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,169 (2024)
Projected traffic4,585 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Siegen LN Off Ramp over Wards Creek RR built?

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

What condition is Siegen LN Off Ramp over 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 Off Ramp over Wards Creek RR carry?

About 4,169 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Siegen LN Off Ramp over Wards Creek RR?

The structure is 790 ft (240.8 m) long with a longest span of 202 ft (61.6 m) and a deck 31 ft wide.

Who owns Siegen LN Off Ramp over Wards Creek RR?

It is owned by the City or Municipal Highway Agency.