US Bridges

LA0474 over Midkiff Creek

PoorPosted for load

Sabine Parish, Louisiana · 7.57 MI East of LA 191 · Structure no. 084301200100251

Built
1958
67 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
97 ft
5 main spans
Daily traffic
1,105
2021 count
Owner
State
State Highway Agency

About this bridge

LA0474 over Midkiff Creek is a concrete slab carrying LA0474 over Midkiff Creek in Sabine Parish, Louisiana. It was built in 1958, so it is 67 years old, older 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 3 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. Its operating status is: posted for load restriction.

It carries about 1,105 vehicles a day, roughly 14% of them trucks, projected to reach 1,215 by 2041. The structure is 97 ft (29.6 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA0474
CrossesMidkiff Creek
Location7.57 MI East of LA 191
RouteState Highway 474
Coordinates31.44322, -93.46198
Functional classRural Minor Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length97 ft (29.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,105 (2021)
Projected traffic1,215 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$483,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0474 over Midkiff Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0474 over Midkiff 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 November 2024.

How much traffic does LA0474 over Midkiff Creek carry?

About 1,105 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0474 over Midkiff Creek?

The structure is 97 ft (29.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0474 over Midkiff Creek?

It is owned by the State Highway Agency.