US Bridges

LA3100 over US 167

Fair

Rapides Parish, Louisiana · Int. LA 3100 & US 167 · Structure no. 084008404000501

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
365 ft
4 main spans
Daily traffic
2,714
2021 count
Owner
State
State Highway Agency

About this bridge

LA3100 over US 167 is a prestressed concrete stringer/multi-beam or girder carrying LA3100 over US 167 in Rapides Parish, Louisiana. It was built in 1969, so it is 56 years old, older 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 2,714 vehicles a day, roughly 8% of them trucks, projected to reach 2,985 by 2041. The structure is 365 ft (111.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA3100
CrossesUS 167
LocationInt. LA 3100 & US 167
RouteState Highway 3100
Coordinates31.34107, -92.4167
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length365 ft (111.3 m)
Longest span91 ft (27.7 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,714 (2021)
Projected traffic2,985 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 LA3100 over US 167 built?

It was built in 1969, making it 56 years old in 2025.

What condition is LA3100 over US 167 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 November 2024.

How much traffic does LA3100 over US 167 carry?

About 2,714 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA3100 over US 167?

The structure is 365 ft (111.3 m) long with a longest span of 91 ft (27.7 m) and a deck 33 ft wide.

Who owns LA3100 over US 167?

It is owned by the State Highway Agency.