US Bridges

Glenwood DR over Black Bayou (frontage RD

Fair

Ouachita Parish, Louisiana · 1.0 MI East of LA 617 · Structure no. 053704510616314

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
60,145
2021 count
Owner
State
State Highway Agency

About this bridge

Glenwood DR over Black Bayou (frontage RD is a concrete slab carrying Glenwood DR over Black Bayou (frontage RD in Ouachita Parish, Louisiana. It was built in 1986, so it is 39 years old, younger 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 60,145 vehicles a day, roughly 8% of them trucks, projected to reach 66,159 by 2041. The structure is 180 ft (54.9 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesGlenwood DR
CrossesBlack Bayou (frontage RD
Location1.0 MI East of LA 617
RouteInterstate 20
CountyOuachita Parish
StateLouisiana
Coordinates32.50008, -92.1411
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span10 ft (3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,145 (2021)
Projected traffic66,159 by 2041
Trucks8%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$819,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Glenwood DR over Black Bayou (frontage RD built?

It was built in 1986, making it 39 years old in 2025.

What condition is Glenwood DR over Black Bayou (frontage RD 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 September 2024.

How much traffic does Glenwood DR over Black Bayou (frontage RD carry?

About 60,145 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Glenwood DR over Black Bayou (frontage RD?

The structure is 180 ft (54.9 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Glenwood DR over Black Bayou (frontage RD?

It is owned by the State Highway Agency.