US Bridges

Posey RD over I-49

Fair

Natchitoches Parish, Louisiana · 4.42 Mi. North of LA 6 · Structure no. 083504550633921

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
278 ft
2 main spans
Daily traffic
1,530
2015 count
Owner
State
State Highway Agency

About this bridge

Posey RD over I-49 is a steel continuous stringer/multi-beam or girder carrying Posey RD over I-49 in Natchitoches Parish, Louisiana. It was built in 1985, so it is 40 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 1,530 vehicles a day, projected to reach 1,683 by 2035. The structure is 278 ft (84.7 m) long and 69 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPosey RD
CrossesI-49
Location4.42 Mi. North of LA 6
RouteCounty Highway 0
Coordinates31.78657, -93.1973
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length278 ft (84.7 m)
Longest span138 ft (42.1 m)
Deck width69 ft (21 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2015)
Projected traffic1,683 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Posey RD over I-49 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Posey RD over I-49 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 June 2024.

How much traffic does Posey RD over I-49 carry?

About 1,530 vehicles per day (2015 count).

How long is Posey RD over I-49?

The structure is 278 ft (84.7 m) long with a longest span of 138 ft (42.1 m) and a deck 69 ft wide.

Who owns Posey RD over I-49?

It is owned by the State Highway Agency.