US Bridges

Jean Road over Birds Creek

Poor

Vernon Parish, Louisiana · Fort Johnson · Structure no. DAPFORPOK0LWC48

Built
1987
38 years old
Condition
Poor
inspected August 2024
Type
Arch - Deck
Steel
Length
26 ft
1 main span
Daily traffic
336
2018 count
Owner
Federal
Army

About this bridge

Jean Road over Birds Creek is a steel arch - deck carrying Jean Road over Birds Creek in Vernon 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 336 vehicles a day, roughly 10% of them trucks, projected to reach 350 by 2046. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJean Road
CrossesBirds Creek
LocationFort Johnson
Coordinates31.04303, -93.06896
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width48 ft (14.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2018)
Projected traffic350 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jean Road over Birds Creek built?

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

What condition is Jean Road over Birds Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Jean Road over Birds Creek carry?

About 336 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Jean Road over Birds Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 48 ft wide.

Who owns Jean Road over Birds Creek?

It is owned by the Army.