US Bridges

Richardson RD over Morgan Branch

Good

Tangipahoa Parish, Louisiana · 1.3 MI N/E JCT 1063 & 442 · Structure no. 625330356903381

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
98 ft
5 main spans
Daily traffic
117
2020 count
Owner
County
County Highway Agency

About this bridge

Richardson RD over Morgan Branch is a concrete slab carrying Richardson RD over Morgan Branch in Tangipahoa Parish, Louisiana. It was built in 2000, so it is 25 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 117 vehicles a day, projected to reach 128 by 2040. The structure is 98 ft (29.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRichardson RD
CrossesMorgan Branch
Location1.3 MI N/E JCT 1063 & 442
RouteCounty Highway 0
CountyTangipahoa Parish
StateLouisiana
Coordinates30.59461, -90.56387
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2020)
Projected traffic128 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Morgan Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Richardson RD over Morgan Branch 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 March 2023.

How much traffic does Richardson RD over Morgan Branch carry?

About 117 vehicles per day (2020 count).

How long is Richardson RD over Morgan Branch?

The structure is 98 ft (29.9 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Richardson RD over Morgan Branch?

It is owned by the County Highway Agency.