US Bridges

LA3098 over Wheat Branch

Fair

Grant Parish, Louisiana · 1.38 M N of N Jct. LA 123 · Structure no. 082208221000381

Built
2008
17 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
204
2021 count
Owner
State
State Highway Agency

About this bridge

LA3098 over Wheat Branch is a concrete slab carrying LA3098 over Wheat Branch in Grant Parish, Louisiana. It was built in 2008, so it is 17 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 204 vehicles a day, roughly 10% of them trucks, projected to reach 224 by 2041. The structure is 80 ft (24.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA3098
CrossesWheat Branch
Location1.38 M N of N Jct. LA 123
RouteState Highway 3098
CountyGrant Parish
StateLouisiana
Coordinates31.79591, -92.4047
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2021)
Projected traffic224 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3098 over Wheat Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is LA3098 over Wheat Branch 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 LA3098 over Wheat Branch carry?

About 204 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3098 over Wheat Branch?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns LA3098 over Wheat Branch?

It is owned by the State Highway Agency.