US Bridges

Morgan RD over Drainage Canal

Fair

East Baton Rouge Parish, Louisiana · 0.3 Mi. S. of LA 37 · Structure no. 611730308905971

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
3 main spans
Daily traffic
1,065
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morgan RD over Drainage Canal is a wood or timber stringer/multi-beam or girder carrying Morgan RD over Drainage Canal in East Baton Rouge Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,065 vehicles a day, projected to reach 1,171 by 2039. The structure is 56 ft (17.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMorgan RD
CrossesDrainage Canal
Location0.3 Mi. S. of LA 37
RouteCounty Highway 0
Coordinates30.51405, -90.99711
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.3 US tons
Inventory rating30 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length56 ft (17.1 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,065 (2019)
Projected traffic1,171 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Morgan RD over Drainage Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Morgan RD over Drainage Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Morgan RD over Drainage Canal carry?

About 1,065 vehicles per day (2019 count).

How long is Morgan RD over Drainage Canal?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Morgan RD over Drainage Canal?

It is owned by the City or Municipal Highway Agency.