US Bridges

Zimmer Creek RD over Zimmer Creek

Good

La Salle Parish, Louisiana · 1.1MILES Southwest LA 127 · Structure no. 583031443921041

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Zimmer Creek RD over Zimmer Creek is a concrete culvert carrying Zimmer Creek RD over Zimmer Creek in La Salle Parish, Louisiana. It was built in 1999, so it is 26 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 50 vehicles a day, projected to reach 55 by 2040. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesZimmer Creek RD
CrossesZimmer Creek
Location1.1MILES Southwest LA 127
RouteCounty Highway 0
Coordinates31.72608, -92.18665
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width44 ft (13.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic55 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Zimmer Creek RD over Zimmer Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Zimmer Creek RD over Zimmer 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 October 2023.

How much traffic does Zimmer Creek RD over Zimmer Creek carry?

About 50 vehicles per day (2020 count).

How long is Zimmer Creek RD over Zimmer Creek?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m) and a deck 44 ft wide.

Who owns Zimmer Creek RD over Zimmer Creek?

It is owned by the County Highway Agency.