US Bridges

Live Oak ST over Mill Creek

Fair

Allen Parish, Louisiana · 0.3 MI Soutth of LA 1156 · Structure no. 070230518924791

Built
2007
18 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,300
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Live Oak ST over Mill Creek is a concrete slab carrying Live Oak ST over Mill Creek in Allen Parish, Louisiana. It was built in 2007, so it is 18 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 1,300 vehicles a day, roughly 1% of them trucks, projected to reach 1,430 by 2039. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLive Oak ST
CrossesMill Creek
Location0.3 MI Soutth of LA 1156
RouteCounty Highway 0
CountyAllen Parish
StateLouisiana
Coordinates30.86355, -92.79366
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2019)
Projected traffic1,430 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Live Oak ST over Mill Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Live Oak ST over Mill Creek 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 August 2023.

How much traffic does Live Oak ST over Mill Creek carry?

About 1,300 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Live Oak ST over Mill Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Live Oak ST over Mill Creek?

It is owned by the Town or Township Highway Agency.