US Bridges

Jimi Thomas RD over Miller Creek Bridge

PoorPosted for load

Washington Parish, Louisiana · 4.6 MI N. of HWY LA 10 · Structure no. 625930530900351

Built
1960
65 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
57 ft
3 main spans
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Jimi Thomas RD over Miller Creek Bridge is a wood or timber stringer/multi-beam or girder carrying Jimi Thomas RD over Miller Creek Bridge in Washington Parish, Louisiana. It was built in 1960, so it is 65 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 62 vehicles a day, projected to reach 68 by 2042. The structure is 57 ft (17.4 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesJimi Thomas RD
CrossesMiller Creek Bridge
Location4.6 MI N. of HWY LA 10
RouteCounty Highway 0
Coordinates30.88515, -90.06006
Functional classRural Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating11 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic68 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$217,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jimi Thomas RD over Miller Creek Bridge built?

It was built in 1960, making it 65 years old in 2025.

What condition is Jimi Thomas RD over Miller Creek Bridge 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 February 2024.

How much traffic does Jimi Thomas RD over Miller Creek Bridge carry?

About 62 vehicles per day (2022 count).

How long is Jimi Thomas RD over Miller Creek Bridge?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 18 ft wide.

Who owns Jimi Thomas RD over Miller Creek Bridge?

It is owned by the County Highway Agency.