US Bridges

Laurel Hill RD over Mill Creek

Fair

Vernon Parish, Louisiana · 1.0 M North of LA 489 · Structure no. 085831113925391

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
115 ft
6 main spans
Daily traffic
250
1991 count
Owner
County
County Highway Agency

About this bridge

Laurel Hill RD over Mill Creek is a concrete slab carrying Laurel Hill RD over Mill Creek in Vernon Parish, Louisiana. It was built in 1992, so it is 33 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 250 vehicles a day, projected to reach 275 by 2011. The structure is 115 ft (35.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLaurel Hill RD
CrossesMill Creek
Location1.0 M North of LA 489
RouteCounty Highway 0
Coordinates31.18843, -92.9
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1991)
Projected traffic275 by 2011
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Laurel Hill RD over Mill Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Laurel Hill RD 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 April 2023.

How much traffic does Laurel Hill RD over Mill Creek carry?

About 250 vehicles per day (1991 count).

How long is Laurel Hill RD over Mill Creek?

The structure is 115 ft (35.1 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Laurel Hill RD over Mill Creek?

It is owned by the County Highway Agency.