US Bridges

Gall Rd. over Coulee

FairPosted for load

Iberia Parish, Louisiana · 1.4 Mi. S. of LA 83 · Structure no. 032329543914901

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
21
2020 count
Owner
County
County Highway Agency

About this bridge

Gall Rd. over Coulee is a concrete slab carrying Gall Rd. over Coulee in Iberia Parish, Louisiana. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 21 vehicles a day, projected to reach 23 by 2040. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGall Rd.
CrossesCoulee
Location1.4 Mi. S. of LA 83
RouteCounty Highway 0
Coordinates29.90494, -91.81736
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2020)
Projected traffic23 by 2040
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 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 Gall Rd. over Coulee built?

It was built in 1974, making it 51 years old in 2025.

What condition is Gall Rd. over Coulee 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 October 2024.

How much traffic does Gall Rd. over Coulee carry?

About 21 vehicles per day (2020 count).

How long is Gall Rd. over Coulee?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Gall Rd. over Coulee?

It is owned by the County Highway Agency.