US Bridges

Linton Road over Flat River

Fair

Bossier Parish, Louisiana · 2.5 MI E of LA 3 · Structure no. 040800000040815

Built
2022
3 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
6,500
2020 count
Owner
County
County Highway Agency

About this bridge

Linton Road over Flat River is a concrete slab carrying Linton Road over Flat River in Bossier Parish, Louisiana. It was built in 2022, so it is 3 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 6,500 vehicles a day, projected to reach 7,150 by 2040. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLinton Road
CrossesFlat River
Location2.5 MI E of LA 3
RouteCounty Highway 0
Coordinates32.6384, -93.70831
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadGreater than HL 93
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2020)
Projected traffic7,150 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Linton Road over Flat River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Linton Road over Flat River 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 December 2024.

How much traffic does Linton Road over Flat River carry?

About 6,500 vehicles per day (2020 count).

How long is Linton Road over Flat River?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns Linton Road over Flat River?

It is owned by the County Highway Agency.