US Bridges

LA1064 over Moran Branch

Good

Tangipahoa Parish, Louisiana · LA1064 · Structure no. 625308530801111

Built
1957
68 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
2,854
2021 count
Owner
State
State Highway Agency

About this bridge

LA1064 over Moran Branch is a concrete slab carrying LA1064 over Moran Branch in Tangipahoa Parish, Louisiana. It was built in 1957, so it is 68 years old, older 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 2,854 vehicles a day, roughly 9% of them trucks, projected to reach 3,139 by 2041. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA1064
CrossesMoran Branch
LocationLA1064
RouteState Highway 1064
Coordinates30.54438, -90.5482
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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,854 (2021)
Projected traffic3,139 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$585,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1064 over Moran Branch built?

It was built in 1957, making it 68 years old in 2025.

What condition is LA1064 over Moran 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 LA1064 over Moran Branch carry?

About 2,854 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA1064 over Moran Branch?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA1064 over Moran Branch?

It is owned by the State Highway Agency.