US Bridges

Mixon RD over Tarver Creek

Good

La Salle Parish, Louisiana · Log MI 3.47 FR 612 to 618 · Structure no. 583031519921131

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
115 ft
6 main spans
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Mixon RD over Tarver Creek is a concrete slab carrying Mixon RD over Tarver Creek in La Salle Parish, Louisiana. It was built in 1999, so it is 26 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 110 by 2018. The structure is 115 ft (35.1 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMixon RD
CrossesTarver Creek
LocationLog MI 3.47 FR 612 to 618
RouteCounty Highway 0
Coordinates31.865, -92.1883
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic110 by 2018
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mixon RD over Tarver Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mixon RD over Tarver 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 July 2023.

How much traffic does Mixon RD over Tarver Creek carry?

About 100 vehicles per day (1998 count).

How long is Mixon RD over Tarver Creek?

The structure is 115 ft (35.1 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Mixon RD over Tarver Creek?

It is owned by the County Highway Agency.