US Bridges

Richardson RD over Richardson Drive Bridge

Good

Livingston Parish, Louisiana · 2 Miles W of JCT 42 & 43 · Structure no. 623230260903551

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

Richardson RD over Richardson Drive Bridge is a concrete culvert carrying Richardson RD over Richardson Drive Bridge in Livingston 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 150 vehicles a day, projected to reach 165 by 2042. The structure is 27 ft (8.2 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRichardson RD
CrossesRichardson Drive Bridge
Location2 Miles W of JCT 42 & 43
RouteCounty Highway 0
Coordinates30.43397, -90.59105
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width42 ft (12.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic165 by 2042
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Richardson RD over Richardson Drive Bridge built?

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

What condition is Richardson RD over Richardson Drive Bridge 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 August 2024.

How much traffic does Richardson RD over Richardson Drive Bridge carry?

About 150 vehicles per day (2022 count).

How long is Richardson RD over Richardson Drive Bridge?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 42 ft wide.

Who owns Richardson RD over Richardson Drive Bridge?

It is owned by the County Highway Agency.