US Bridges

505 Road over Odom Creek

Fair

Natchitoches Parish, Louisiana · Ve 812 723 · Structure no. DAPFORPOK00H50P

Built
2005
20 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Steel
Length
39 ft
1 main span
Daily traffic
40
2016 count
Owner
Federal
Army

About this bridge

505 Road over Odom Creek is a steel arch - deck carrying 505 Road over Odom Creek in Natchitoches Parish, Louisiana. It was built in 2005, so it is 20 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 5 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 40 vehicles a day, roughly 99% of them trucks, projected to reach 40 by 2046. The structure is 39 ft (11.9 m) long and 105 ft wide.

Carries505 Road
CrossesOdom Creek
LocationVe 812 723
Coordinates31.38532, -93.19742
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width105 ft (32 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2016)
Projected traffic40 by 2046
Trucks99%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$11,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 505 Road over Odom Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 505 Road over Odom Creek 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 August 2024.

How much traffic does 505 Road over Odom Creek carry?

About 40 vehicles per day (2016 count), of which roughly 99% are trucks.

How long is 505 Road over Odom Creek?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 105 ft wide.

Who owns 505 Road over Odom Creek?

It is owned by the Army.