US Bridges

LA0604 over Creek

Good

Tensas Parish, Louisiana · 1.10 M E of LA 605 · Structure no. 585408541108141

Built
1962
63 years old
Condition
Good
inspected February 2024
Type
Culvert
Steel
Length
51 ft
3 main spans
Daily traffic
1,151
2021 count
Owner
State
State Highway Agency

About this bridge

LA0604 over Creek is a steel culvert carrying LA0604 over Creek in Tensas Parish, Louisiana. It was built in 1962, so it is 63 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,151 vehicles a day, roughly 15% of them trucks, projected to reach 1,266 by 2041. The structure is 51 ft (15.5 m) long and 46 ft wide.

CarriesLA0604
CrossesCreek
Location1.10 M E of LA 605
RouteState Highway 604
Coordinates32.01066, -91.2295
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length51 ft (15.5 m)
Longest span13 ft (4 m)
Deck width46 ft (14 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,151 (2021)
Projected traffic1,266 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0604 over Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0604 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does LA0604 over Creek carry?

About 1,151 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0604 over Creek?

The structure is 51 ft (15.5 m) long with a longest span of 13 ft (4 m) and a deck 46 ft wide.

Who owns LA0604 over Creek?

It is owned by the State Highway Agency.