US Bridges

LA0016 over Miller Creek

Good

Washington Parish, Louisiana · 4.1M NW ST Tammany Line · Structure no. 625900580404161

Built
1993
32 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
1,137
2021 count
Owner
State
State Highway Agency

About this bridge

LA0016 over Miller Creek is a concrete slab carrying LA0016 over Miller Creek in Washington Parish, Louisiana. It was built in 1993, so it is 32 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 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 1,137 vehicles a day, roughly 12% of them trucks, projected to reach 1,250 by 2041. The structure is 200 ft (61 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0016
CrossesMiller Creek
Location4.1M NW ST Tammany Line
RouteState Highway 16
Coordinates30.69665, -90.037
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,137 (2021)
Projected traffic1,250 by 2041
Trucks12%
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

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 LA0016 over Miller Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is LA0016 over Miller 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 June 2024.

How much traffic does LA0016 over Miller Creek carry?

About 1,137 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0016 over Miller Creek?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0016 over Miller Creek?

It is owned by the State Highway Agency.