US Bridges

Blount RD over Gibbens Lateral

Good

East Baton Rouge Parish, Louisiana · 1.0 MI West of Plank RD · Structure no. 611730326910921

Built
1987
38 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
5,477
2023 count
Owner
County
County Highway Agency

About this bridge

Blount RD over Gibbens Lateral is a concrete slab carrying Blount RD over Gibbens Lateral in East Baton Rouge Parish, Louisiana. It was built in 1987, so it is 38 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 5,477 vehicles a day, projected to reach 6,024 by 2043. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBlount RD
CrossesGibbens Lateral
Location1.0 MI West of Plank RD
RouteCounty Highway 0
Coordinates30.54462, -91.1561
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,477 (2023)
Projected traffic6,024 by 2043
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 Blount RD over Gibbens Lateral built?

It was built in 1987, making it 38 years old in 2025.

What condition is Blount RD over Gibbens Lateral 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 June 2023.

How much traffic does Blount RD over Gibbens Lateral carry?

About 5,477 vehicles per day (2023 count).

How long is Blount RD over Gibbens Lateral?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Blount RD over Gibbens Lateral?

It is owned by the County Highway Agency.