US Bridges

Mclin RD over Dutchman Creek

PoorPosted for load

St. Helena Parish, Louisiana · 1.4MI from LA 449 · Structure no. 624630391904571

Built
1964
61 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
3 main spans
Daily traffic
70
1974 count
Owner
County
County Highway Agency

About this bridge

Mclin RD over Dutchman Creek is a wood or timber stringer/multi-beam or girder carrying Mclin RD over Dutchman Creek in St. Helena Parish, Louisiana. It was built in 1964, so it is 61 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 77 by 1994. The structure is 50 ft (15.2 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMclin RD
CrossesDutchman Creek
Location1.4MI from LA 449
RouteCounty Highway 0
Coordinates30.65332, -90.76116
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating20 US tons
Inventory rating13.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1974)
Projected traffic77 by 1994
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mclin RD over Dutchman Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Mclin RD over Dutchman Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Mclin RD over Dutchman Creek carry?

About 70 vehicles per day (1974 count).

How long is Mclin RD over Dutchman Creek?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m) and a deck 17 ft wide.

Who owns Mclin RD over Dutchman Creek?

It is owned by the County Highway Agency.